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600PCS 4:1 Heat Shrink Tubing Kit

$22.99 USD

More recovery room for a neatly insulated transition.
Give compatible connections room to pass through the sleeve before it shrinks.

• 4:1 shrink ratio — supports compatible transitions between a larger joint and a narrower cable.
• Adhesive-lined insulation — proper heating helps the sleeve seal around the connection.
• Assortment options — select the kit quantity and check the included diameter distribution.

Coupon strip showing 5 percent and 10 percent discounts by order value
Item:600 PCS Black & Red
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Haisstronica model automatic cable stripper for precision tasks.
Self-Adjusting Wire Stripper AWG 24-10 $23.99
Workbench scene using heat gun wire connectors; precise heating shrinks sleeves on cables for sealed connections.
350W Mini Heat Gun $23.99

600PCS 4:1 Heat Shrink Tubing Kit provides seven adhesive-lined, dual-wall tubing sizes for sealing, insulating, and adding strain relief to automotive, marine, workshop, and household wiring. The black & red, black, white, and red options contain 600 pieces; the clear option contains 550 pieces.

Kit Specifications

Pack Quantity Size Range Shrink Ratio Color Construction Application
600PCS; 550PCS clear option 7 sizes, 3/32–3/4 inch 4:1 Black & red, black, white, red, or clear Adhesive-lined dual wall Automotive, marine, workshop, and electrical wiring

 

Specification table for wire crimper and stripper tool sizes

❓Are all options in this kit 600PCS?

No. The black & red, black, white, and red options contain 600 pieces. The clear option contains 550 pieces.

❓What does a 4:1 shrink ratio mean?

It means the tubing can recover to approximately one quarter of its supplied diameter when used within its rated size range.

❓Is this tubing adhesive lined?

Yes. The dual-wall tubing uses heat-activated adhesive to help seal the joint and support strain relief.

❓How to Choose the Right Size

Measure the widest part the tubing must pass over, including the connector or splice. Choose a before-shrink diameter larger than that point, then confirm the nominal recovered diameter is smaller than the cable or joint you want to seal. The 4:1 ratio is especially useful where the joint is much wider than the wire. Choose 54FT for repeat workshop or fleet use and 21FT for occasional repairs.

❓How to Install

  1. Disconnect power, clean the cable or joint, and cut the required tubing length.
  2. Slide the tubing over the cable before completing any permanent connection.
  3. Center the tubing over the joint and apply controlled heat, moving from the center toward both ends.
  4. Rotate the assembly so the sleeve recovers evenly and the adhesive seals the edges.
  5. Stop heating when recovery is complete and allow the joint to cool before handling or restoring power.

Avoid open flame and overheating. The listing does not provide a numeric temperature range, so use controlled, even heat and follow the heat-tool instructions. Browse more heat shrink tubing, compare the 5-color 4:1 heat shrink tubing kit, or use a 350W mini heat gun for controlled heating.
  • Enjoy free shipping on all orders.
  • Delivery Time: 1-2 business days to The US and Canada. Delivery times may vary depending on your location and carrier conditions.
  • Details
  • Tracking: After your order is shipped, you will receive an email with a tracking number to monitor the delivery status.
  • Need Help? Contact our support team for assistance with shipping or your order.
  • 30-Day Returns
    You may request a return within 30 calendar days of delivery. Items must be unused, in their original condition, and include all original packaging and accessories.
  • Damaged, Defective, or Incorrect Items
    Contact us with your order number and photos. If the issue is due to our error, we will cover reasonable return shipping costs or provide an appropriate replacement.
  • Refunds
    Approved refunds are issued to your original payment method within 5 business days after inspection. Your bank may require additional processing time.
  • To start a return, email support@haisstronica.com with your order number and reason for return. Please obtain approval before sending anything back.
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  • 5 stars: 8 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
B
Brian
Heat shrink kit had all the right sizes

Worked great

A
A&K
Quality

Decent quality heat shrink. Working so far. Could have used some that were just tubes without the flair

J
Javier Reyes Rodriguez
As advertised, a true 4:1 (or more) shrink!

This is a quality product. A true example of you get what you pay for. This kit is a little more money, but well worth it! A lot of brands claim a 4:1 shrink, but this product easily meets that spec. You will not regret buying this product!

t
tschuck
Perfect

Awesome

V
Van Rodrigues
Works great.

Works great.

A
Ami Chelou
Good quality

Recommend, I am rewiring my entire boat and have been using this shrink tubing, works pretty good

4
40willys
Good stuff

Has a lot of adhesion, 4 to 1 shrink ratio breddy good.

T
Terry Frymire
Great Product

Worked perfectly using my heat gun.

Close-up of insulated wire connectors joining red, blue, and yellow wires

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Learn More About Porduct

  • 4:1 Shrink Ratio: it can shrink to 1/4 of the original diameter,Shrink tighter and seal better than 3:1 and 2:1.
  • Good Seal: The supplied adhesive coating provides a strong and durable seal that protects your wires from moisture, dirt and other external elements. Say goodbye to loose connections and potential short circuits
  • Crystal Clear:Inspect Connections Through the Tube — Transparent body lets you visually verify solder joints, crimp quality, and adhesive flow after installation. Also works as label protection — slide over printed wire markers to keep them readable, waterproof, and scratch-resistant.
  • Wider Application: Heat shrink tubing is used for marine and automotive wiring, wire connections and DIY electrical wiring projects. For all your needs


Use this assortment to seal cable joints, insulate repaired conductors, protect terminal transitions, and add strain relief where one supplied diameter must recover over an uneven profile. For more diameter and length options, browse the heat shrink tubing collection.

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