446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1
446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1 – view 2
446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1 – view 3
446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1 – view 4
446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1 – view 5
446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1 – view 6
446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1 – view 7
446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1 – view 8
446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1 – view 9
446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1 – 400 Pcs (3:1 Ratio)
Electrical Supplies

446 Piece Marine Grade Adhesive Lined Heat Shrink Tubing Kit, 3:1

Chosen because customers reordered it
$26.99 $50.95 Save 47%

Black Friday price Ends in 00d 00h 00m 00s

Order today, estimated delivery Nov 24 – Dec 6 · Free shipping over $39

Size446 Pcs (4:1 Ratio)

In stock — ships in 1–3 business days
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Free shipping over $39. Tracked to your door, 7–15 business days across the US.
30-day returns. Unused and in original condition. Wrong or damaged on arrival is on us.
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Shipping & delivery

Orders are processed in 1–3 business days, then delivered in 7–15 business days across the United States and 10–20 business days to other countries. You receive a tracking link by email as soon as your parcel leaves.

Standard shipping is free on orders of $39 or more. Below that it is a flat $8.99 in the US and $11.95 to other countries. Multi-item orders may arrive in separate parcels a few days apart, at no extra cost.

Returns & refunds

You have 30 days from delivery to return an unused item in its original condition. Email us and we send instructions the same day.

If an item arrives damaged, faulty or not what you ordered, contact us within 7 days with a photo and choose a free replacement or a full refund — you pay nothing to return it.

Protect and Organize Your Wiring Projects

This Heat Shrink Tubing Kit is designed to help you organize and protect your wiring projects. With options for both 446 pieces (4:1 ratio) and 400 pieces (3:1 ratio), this kit is perfect for electrical repairs and insulation needs.

Why You'll Love It

  • Adhesive Lined: Seals connections from the elements for enhanced durability.
  • Dual-Walled Design: Shrinks tighter and seals better than traditional tubing.
  • Flame Retardant: Offers added safety for electrical applications.
  • Variety of Sizes: Includes various diameters to suit different wiring needs.
  • Easy to Use: Simply apply heat to shrink and secure.

Product Details

  • Size Options: 446 Pcs (4:1 Ratio), 400 Pcs (3:1 Ratio)
  • Sheath Color: Black
  • Type: Heat Shrink Tubing Kit
  • Heat Shrink Ratio: 3:1 & 4:1
  • Material: PE material
  • Product Dimensions: 4.72 x 3.94 x 0.59 inches

What's in the Box

  • 446 pieces of heat shrink tubing

How to Use

  1. Select the appropriate size of tubing for your wires.
  2. Slide the tubing over the connection.
  3. Apply heat using a heat gun until the tubing shrinks tightly around the connection.

Good to Know

Ensure the tubing is the correct size for your wires before application. Store in a cool, dry place to maintain quality.

FAQ

What sizes are included in the kit?
The kit includes a variety of sizes suitable for different wiring needs.

Is the tubing resistant to heat?
Yes, the tubing is flame retardant and designed for electrical applications.

Specification
Category
Electrical Supplies
Size
446 Pcs (4:1 Ratio), 400 Pcs (3:1 Ratio)
Condition
New
Processing
1–3 business days
Delivery
7–15 business days in the US
Returns
30 days from delivery
Our part of the deal

Packed by hand.Tracked to your door.Backed for thirty days.

Avelune · Est. 2026
What you can count on

The part that happens after you order

Tracked shipping

Free on orders of $39 or more, a flat $8.99 in the US below that. Tracking on every single order, no exceptions.

30-day returns

Thirty days from delivery to change your mind on unused items. Wrong or damaged on arrival is on us, always.

Safe checkout

Visa, Mastercard, Amex, Discover, PayPal, Apple Pay, Google Pay and Shop Pay over an encrypted, PCI-compliant checkout.

People, not scripts

Email us any day of the week and a real person replies within 24 hours, usually much sooner.

From order to doorstep

What happens after you press buy

No mystery, no silent weeks. Here is the whole journey, with the timing we hold ourselves to.

01

We pick and check

Your order is routed to the partner warehouse holding that piece, pulled, inspected and packed for transit.

1–3 business days
02

It ships with tracking

You get an email with a tracking link the moment it leaves. Multi-item orders may travel in separate parcels, at no extra cost.

Tracking on every order
03

It reaches your door

Most US addresses receive within 7 to 15 business days of dispatch. If it runs long, write to us and we reship or refund.

7–15 business days
Before you order

Questions about this order

The three things customers ask most before buying. Anything else, email us and a person replies within a day.

When will this arrive?

We process in 1–3 business days, then delivery takes 7–15 business days across the United States and 10–20 business days elsewhere. You get a tracking link by email as soon as it ships.

What if it is not right?

You have 30 days from delivery to return an unused item in original condition. If it arrives damaged or wrong, send a photo within 7 days and pick a free replacement or a full refund — you pay nothing to return it.

Is shipping really free?

On orders of $39 or more, yes, to every destination we serve. Below $39 it is a flat $8.99 in the US and $11.95 to other countries.

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