End-tab vs. top-tab — what’s the difference?

End-tab folders show the tab on the long side and are used on open-shelf systems; top-tab folders show the tab along the top edge and are designed for drawer filing.

When should I choose classification folders?

Choose classification folders when you need built-in dividers and 2-prong fasteners to separate sections within one file—ideal for medical charts, legal matters, and case files.

Letter or legal size — how do I pick?

Letter (8.5\" × 11\") fits standard documents; legal (8.5\" × 14\") fits longer forms. Match the folder to both your documents and storage equipment.

What tab and material options are available?

Tabs include full-cut, 1/2-cut, or 1/3-cut (assorted positions). Materials range from 11-pt to 18-pt manila, with optional reinforced (2-ply) tabs for added durability.

Can I add fasteners, pockets, or expansion?

Yes—add 2\" bonded fasteners (various positions), pockets/jackets, and expansion gussets (e.g., 3/4\" to 2\"+). Check each product’s options for capacity and placement.

Do you offer volume pricing or custom printing?

We offer bulk price breaks and custom printing (logos, lines, colors). Call (800) 810-3453 for a quote.

What safety labels should I look for on school and early-childhood items?

For children’s products, look for CPSIA compliance and a Children’s Product Certificate (CPC). Art materials should be labeled to ASTM D-4236; many also carry ACMI’s “AP” (non-toxic) or “CL” seals. These help confirm proper cautionary labeling and third-party testing where required.

How do I pick classroom furniture across grade levels?

Favor adjustable-height desks/tables and seating tested to ANSI/BIFMA X6.1 for educational use. Check manufacturer grade/height charts; adjustable ranges let you cover multiple grades with one model and simplify purchasing and spares.

What’s the best way to organize supplies and centers?

Use latching, stackable bins (clear for quick ID; colors for zones/subjects). Add label holders on bins and shelves, and keep a posted color key so students can reset the room independently.

How do I choose learning games and manipulatives by age?

Match to the stated age/grade band and learning goals (fine motor, numeracy, literacy). For early childhood, prioritize oversized pieces, wipe-clean surfaces, and non-toxic finishes.

What should I consider in a charging/tech cart?

Count devices and case sizes; verify slot width/height, cable management, ventilation, and locking doors. If devices support fast-charge (e.g., USB-C PD), confirm the cart’s power specs and total charging wattage.

Do you support school POs, bulk pricing, or custom printing?

Yes—volume pricing and custom imprinting (school name, mascot, subject headers) are available. Call (800) 810-3453.

Sheet vs. roll labels — what’s the difference?

Sheet labels (letter-size) run through laser/inkjet printers; roll labels feed through thermal or dedicated label printers.

Permanent or removable adhesive?

Permanent adhesives are best for long-term filing; removable adhesives peel away cleanly from most surfaces for temporary notes or re-use.

Will these labels work in my printer?

Check each item’s spec for “laser,” “inkjet,” or “thermal.” Avoid running inkjet-only sheets through a laser printer.

How do I match the label size to folder tabs or binder spines?

Measure the printable area of your tab or spine and match to the label’s width/height. If unsure, choose a slightly smaller label for clean alignment.

Can I get preprinted sequences or color bars?

Yes—choose preprinted sets (A-Z, 0-9, months) or request custom colors/text to match your filing system.

Do you have templates?

We provide size specifications and many customers use common label templates. If you need help aligning, call (800) 810-3453.

What do 5-, 8-, 10-, or 12-tab sets mean?

That’s the number of tabs per set. More tabs provide finer organization; fewer tabs give larger, easier-to-read tabs.

Paper vs. poly — which should I choose?

Paper (often with Mylar-reinforced tabs) is economical and easy to write on; poly resists tears and moisture for heavy use and frequent handling.

Are the tabs printable?

Some tabs are hand-write only; others are laser/inkjet printable. Check each product for “printable” support and printer compatibility.

Will they fit my binder?

Choose letter (8.5\" × 11\") for most 3-ring binders or legal (8.5\" × 14\") for longer documents. Many options are pre-punched for standard rings.

Can I mix preprinted and blank tabs?

Yes—use a preprinted core set and add blank or custom tabs for sections unique to your workflow.

Do you make custom tab sets?

Yes—tab titles, colors, and sheet stock can be customized. Call (800) 810-3453.

Which paper weight and brightness should I choose?

Use 20 lb / 75 gsm, 92-brightness for everyday printing; step up to 24–28 lb and 96+ brightness for presentations and double-sided color. If you print heavy coverage or duplex often, the thicker stock helps reduce show-through. Always confirm your printer’s supported paper weights.

Round-ring vs. D-ring binders — what’s the difference?

D-ring binders hold more paper at the same spine width and keep pages lying flatter, which reduces edge wear. Round-rings are economical for smaller sets. Pick capacity based on sheet count and how often you turn pages.

What does “sheet capacity” mean on staplers and hole punches?

It’s measured using standard 20 lb copy paper. If you use heavier paper, expect a lower effective capacity. For shared spaces, choose high-capacity staplers/punches to avoid jams and downtime.

Will labels, envelopes, and mailers work with my printer?

Check each item’s spec for “laser,” “inkjet,” or “thermal.” Laser-safe adhesives resist heat; some inkjet-only sheets shouldn’t go through laser fusers. Use your printer’s label or heavy-stock setting for best feed and adhesion.

How do I choose mailers and shipping boxes?

Bubble or poly mailers are great for lightweight, non-fragile contents; corrugated boxes protect heavier or delicate items. Match interior dimensions to your contents, add cushioning if needed, and choose stronger board as weight increases.

Do you offer eco-conscious options or bulk pricing?

Many items are available with recycled content or reduced-waste packaging, and we offer volume price breaks. Call (800) 810-3453 for large-order help or product guidance.

What ball sizes should I choose for different ages?

Use age-appropriate sizes for safer, more successful play. Common guidelines include: Basketball—Size 5 (27.5\") youth, Size 6 (28.5\") intermediate, Size 7 (29.5\") official. Soccer—Size 3 up to ~8 years, Size 4 ~8–12, Size 5 ~12+. Volleyball—Regulation balls for teens/adults; lighter training balls for younger players. Always check the product page for the manufacturer’s recommended age range.

Indoor vs. outdoor — which materials hold up best?

Composite or rubber-covered balls and poly cones hold up well outdoors; leather and finer composites are best indoors. For markers, look for UV-stable plastics; for goals, choose powder-coated frames and weather-resistant nets for outdoor use.

How many pinnies, cones, or markers do I need?

For classes and drills, packs of 12 are a good start; 24–36 pieces cover full-class activities and multiple stations. Choose mixed colors for quick team splits and field zones.

Tips for storage and care?

Use ventilated ball bags or carts, wipe down gear after outdoor use, and avoid prolonged heat/sun in storage. Inflate balls to the manufacturer’s recommendations and check pressure periodically to extend lifespan.

Are items latex-free and school-safe?

Many products are offered in latex-free or phthalate-free materials. Look for those callouts on the product page. Children’s items may include compliance statements on labeling; review those details if you’re purchasing for younger ages.

Do you support bulk orders or custom printing (team names)?

Yes—volume pricing and custom imprinting are available on many items. Call (800) 810-3453 for a quote or assistance with large sets.

What is the difference between FireKing vertical and lateral file cabinets?

Vertical file cabinets are deeper and narrower, making them a good fit for offices with limited wall space. Lateral file cabinets are wider and allow side-to-side filing, which can make document access easier and provide more filing width per drawer.

What can I store in a FireKing fireproof file cabinet?

FireKing cabinets are commonly used to store paper files, legal documents, medical records, financial records, contracts, personnel files, and other important business paperwork that needs organized fire-resistant storage.

Are FireKing cabinets only for paper records?

Many FireKing products are primarily designed for paper document protection, but some models may also be used for storing valuables or other office materials. Always review the specific product details and manufacturer recommendations to confirm the intended storage use for each model.

How do I choose between a FireKing safe, file cabinet, or storage cabinet?

Choose a fireproof file cabinet if you need organized drawer-based filing for records. Choose a safe if you need compact secure storage for documents, cash, or valuables. Choose a fireproof storage cabinet if you need shelf storage for binders, boxed records, supplies, or larger office materials.

What sizes are available in FireKing cabinets?

FireKing products are available in several sizes and configurations, including vertical file cabinets, lateral file cabinets, safes, card file cabinets, and storage cabinets. Available sizes, number of drawers, and overall dimensions vary by model.

Are FireKing cabinets used in offices, medical facilities, and government records storage?

Yes. FireKing cabinets are commonly used in offices, healthcare facilities, legal environments, schools, and government agencies where important records need secure, organized, fire-resistant storage.

Can I buy FireKing cabinets in bulk or get help choosing the right model?

Yes. We can help with product selection, bulk orders, and larger project needs. If you need assistance comparing FireKing file cabinets, safes, or storage cabinets, call (800) 810-3453.

Do you offer free shipping?

Yes—free ground shipping on orders of $99+.

What are your shipping rates?

Labels-only orders under $40 ship for $6.95. All other orders ship for a flat $14.95.

Do you offer bulk discounts?

Yes—volume pricing is available on many items. Contact us for a quote or large-order assistance.

Do you accept purchase orders (POs)?

Yes—we accept POs from schools and government agencies. If you need terms or documentation, please reach out.

Where can I read your full Shipping and Return policies?

See our Shipping Policy and Return Policy pages for complete details.

How can I contact you?

Call (800) 810-3453 or use our Contact Us form.

Cable Insulation

Cable insulation products help users cover and insulate wiring and cable connections. Heat shrink tubing assortments are useful for electrical, maintenance, and general cable insulation work where selecting a tubing diameter to fit the wiring task is important.

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Assorted Heat Shrink Tubing Kit, 160 Pieces

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$16.49

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This assorted heat shrink tubing kit is for users who need multiple tubing sizes for cable insulation. The 160-piece assortment provides a range of diameters to help match tubing to different wiring...

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Add to Wish List
Black Heat Shrink Tubing Assortment, 160 Pieces

Retail:

Our Price:
$14.24

(You Save: )

This black heat shrink tubing assortment gives electricians and maintenance teams a selection of tubing sizes for cable insulation work. The 160-piece set helps users choose a size that fits the...

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Helpful Buying Guide

Cable Insulation Buying Guide

Heat shrink tubing assortments provide multiple diameter options in one set, helping electricians and maintenance teams select tubing for different wiring and cable insulation tasks. Compare the available finish options, size range, piece count, and tubing length to choose an assortment that fits your work.

Visual Guide

Popular examples in this category

Assorted Heat Shrink Tubing Kit, 160 PiecesWBB1900162

Black Heat Shrink Tubing Assortment, 160 PiecesWBB1900161

Use Cases

Cover a range of cable insulation tasks

A multi-size heat shrink tubing kit is suited to work involving different wiring and cable sizes. The assortment format gives users several diameter choices rather than a single tubing size.

How to Choose

Match the tubing size to the wiring

Start with the diameter needed for the cable or wiring task. The available assortments include six sizes ranging from 1/16 inch through 3/8 inch, with each piece measuring 4 inches long.

Applications

Useful for electrical and maintenance work

These tubing assortments are intended for cable insulation work, including tasks handled by electricians and maintenance teams that need a selection of tubing sizes.

Additional Information

Choose the finish that fits the job

Both options contain 160 pieces and six tubing sizes. One assortment has an assorted finish to help distinguish pieces in the mixed-size kit, while the other provides a uniform black appearance.

160Pieces per assortment

Each represented kit contains 160 heat shrink tubing pieces.

6Tubing sizes

Each assortment provides six diameter options.

1/16–3/8 in.Diameter range

The sizes range from 1/16 inch through 3/8 inch.

4 in.Piece length

Every tubing piece has a consistent 4-inch length.

Comparison Guide

Compare Cable Insulation Assortments

Both represented options provide the same quantity, size range, and tubing length. The primary selection difference is the finish.

Feature	Assorted Heat Shrink Tubing Kit	Black Heat Shrink Tubing Assortment
Piece count	160 pieces	160 pieces
Sizes and diameter range	Six sizes; 1/16 inch through 3/8 inch	Six sizes; 1/16 inch through 3/8 inch
Length and finish	4-inch lengths; assorted finish	4-inch lengths; black finish

Planning Guide

Plan the right fit before choosing

Start With Fit

Select from the represented diameter range

The assortments include six tubing sizes, covering diameters from 1/16 inch to 3/8 inch. Having several sizes available helps users match tubing to different cable insulation needs.

Six sizes in each assortment
Diameter range from 1/16 inch through 3/8 inch
Multiple options for different wiring and cable sizes

Compare Assortment Details

Look at piece count and piece length

Each represented heat shrink tubing assortment contains 160 pieces. Every tubing piece is 4 inches long, giving the kits a consistent length for straightforward selection and use.

160-piece assortment
Consistent 4-inch lengths
Substantial selection for cable insulation tasks

Choose a Finish

Decide between assorted and black tubing

The product types differ in finish. An assorted-finish kit can help distinguish pieces within the mixed-size selection, while a black assortment offers a uniform black appearance for insulated cable work.

Assorted finish for differentiating pieces
Black finish for a uniform appearance
Same represented size range and piece count

FAQ

Common questions before buying

What cable insulation products are represented here?

The category includes heat shrink tubing assortments for cable insulation work.

How many pieces are in each assortment?

Each represented assortment contains 160 pieces.

What tubing sizes are available?

Each kit includes six sizes ranging from 1/16 inch through 3/8 inch.

What is the difference between the assortments?

The represented assortments share the same piece count, size range, and 4-inch lengths; one has an assorted finish and the other is black.

Cable Insulation

Assorted Heat Shrink Tubing Kit, 160 Pieces

Black Heat Shrink Tubing Assortment, 160 Pieces

Cable Insulation Buying Guide

Popular examples in this category

Cover a range of cable insulation tasks

Match the tubing size to the wiring

Useful for electrical and maintenance work

Choose the finish that fits the job

Compare Cable Insulation Assortments

Plan the right fit before choosing

Select from the represented diameter range

Look at piece count and piece length

Decide between assorted and black tubing

Common questions before buying

Choosing the right file folders

Folder FAQs

Outfitting classrooms that work all day

Education FAQs

Choosing the right labels

Labels FAQs

Choosing the right tab dividers

Tab Dividers FAQs

Choosing the right office supplies

Office Supplies FAQs

Choosing the right sports & PE equipment

Sports & Athletics FAQs

Choosing the right FireKing fireproof cabinet

FireKing FAQs

Shipping & Policies