---
product_id: 426084227
title: "Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined, Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - Black & Red - Shrink Wrap Tubing | UL Listed"
brand: "wirefy"
price: "$7.67"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/426084227-wirefy-heat-shrink-tubing-kit-190-pcs-4-1-ratio
store_origin: US
region: United States of America
---

# Water & oil proof adhesive lining 4:1 shrink ratio for ultra-tight seal Dual wall abrasion & strain resistance Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined, Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - Black & Red - Shrink Wrap Tubing | UL Listed

**Brand:** wirefy
**Price:** $7.67
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Seal it tight, protect it right — the ultimate heat shrink kit for pros!

## Quick Answers

- **What is this?** Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined, Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - Black & Red - Shrink Wrap Tubing | UL Listed by wirefy
- **How much does it cost?** $7.67 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/426084227-wirefy-heat-shrink-tubing-kit-190-pcs-4-1-ratio)

## Best For

- wirefy enthusiasts

## Why This Product

- Trusted wirefy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Dual wall design offers superior abrasion resistance and strain relief for long-term durability in harsh environments.
- • **Certified Safety:** UL-listed and compliant with SGS, RoHS, Reach, and ISO9001 standards for trusted electrical insulation.
- • **Shrink Like a Pro:** 4:1 ratio tubing recovers to 1/4 original size, sealing wires tighter than standard 3:1 kits.
- • **Seal Out the Elements:** Heat-activated adhesive lining creates a waterproof, oil-proof bond that locks out moisture and corrosion.
- • **Color-Coded Convenience:** Includes 190 pre-cut sleeves in black & red for quick identification and professional wire management.

## Overview

Wirefy’s Heat Shrink Tubing Kit features a high-performance 4:1 shrink ratio that ensures a snug, gap-free fit around wires and terminals. Its heat-activated adhesive lining forms a waterproof and oil-proof seal, perfect for automotive, marine, and outdoor electrical repairs. The dual wall construction provides enhanced abrasion resistance and strain relief, while the kit’s 190 pre-cut black and red sleeves offer versatile, color-coded solutions. UL-listed and certified to rigorous safety standards, this kit delivers professional-grade insulation and protection for critical wiring projects.

## Description

Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined, Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - Black & Red - Shrink Wrap Tubing | UL Listed: desertcart.com: Industrial & Scientific

## Features

- 4:1 SHRINK RATIO: Recovers to 1/4 of its original diameter, and makes a tight seal. Eliminates the problem of 3:1 tubing not shrinking tight enough. For automotive heat shrink tubing. Experience our Adhesive Lined Heat Shrink Tubing
- WATER & OIL PROOF: Adhesive lined heat shrink tubing melts and seals for a waterproof and oil proof bond. Reliable shrink tube for wires in marine, auto, or outdoor applications.
- 190 SHRINKING SLEEVES: From smallest 1/4" to biggest 3/4" - all pre-cut to 1.75" black & red tubes. This heat shrink tubing is colored for easy identification and designed for reliable repairs.
- DUAL WALL TUBING: The outer layer provides abrasion resistance, while the inner adhesive bonds firmly to the wire. Ensures long-lasting electrical insulation and strain relief.
- UL LISTED SAFETY – UL-listed heat shrink tubing meets rigorous safety and performance standards; guarantees reliable insulation and flame resistance in critical automotive, and electrical applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09NW7954L |
| Best Sellers Rank | #70,371 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #214 in Industrial Heat-Shrink Tubing |
| Brand Name | Wirefy |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,288) |
| Item Dimensions L x W | 1.75"L x 1.75"W |
| Item Length | 1.75 Inches |
| Item Weight | 9.12 ounces |
| Manufacturer | Wirefy |
| Manufacturer Part Number | Wirefy-DW41-190-B-R |
| Material Type | Polyolefin |
| Model Number | Wirefy-DW41-190-B-R |
| UPC | 850026973464 |
| Unit Count | 190.0 Count |

## Product Details

- **Brand:** Wirefy
- **Manufacturer:** Wirefy
- **Material:** Polyolefin
- **Number of Packs:** 1
- **Product Dimensions:** 1.75"L x 1.75"W

## Images

![Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined, Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - Black & Red - Shrink Wrap Tubing | UL Listed - Image 1](https://m.media-amazon.com/images/I/81RHwrR2mtL.jpg)
![Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined, Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - Black & Red - Shrink Wrap Tubing | UL Listed - Image 2](https://m.media-amazon.com/images/I/813RcgWpXJL.jpg)
![Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined, Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - Black & Red - Shrink Wrap Tubing | UL Listed - Image 3](https://m.media-amazon.com/images/I/71nIFUkZ6cL.jpg)
![Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined, Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - Black & Red - Shrink Wrap Tubing | UL Listed - Image 4](https://m.media-amazon.com/images/I/71dvIKWvEAL.jpg)
![Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined, Wire Shrink Wrap Tubing - Industrial Heat-Shrink Tubing - Black & Red - Shrink Wrap Tubing | UL Listed - Image 5](https://m.media-amazon.com/images/I/713R1qblGVL.jpg)

## Questions & Answers

**Q: Are the dimensions listed the recovered or unrecovered size?**
A: Hi,

The 4:1 shrink ratio simply means that it recovers to 1/4 of its original diameter.

I hope this helps! You can contact us directly if you need more info.

**Q: Can it be used with self regulating heat cable**
A: Hi,

We do not recommend it because it will generally be kept at a higher temperature, up to 120℃, occasionally as high as 175℃.

**Q: Can this be used to cover banana plugs in use with speaker wire?**
A: Thank you for your question. Yes, it can be used to cover banana plugs in use with speaker wire.

**Q: Can these be used to reinforce the wire leading to earbuds? The rubber has ripped exposing a small window of the wires.**
A: You could if you are very careful as the heat needed to use for these could very easily melt the wires for your ear buds. You may be better off using liquid tape.

## Frequently Bought Together

- Wirefy Heat Shrink Tubing Kit 190 PCS - 4:1 Ratio Adhesive Lined - Adhesive Heat Shrink with Glue - Black & Red - Heat Shrink Tube Kit, Heat Shrink Assortment, Waterproof Heat Shrink Tubing
- Wirefy 200 PCS Non Insulated Butt Connectors Kit - Butt Splice Connectors - Uninsulated Crimp Wire Connectors - 24-8 AWG
- Eventronic 400 Pcs Heat Shrink Tubing Kit-3:1 Ratio Adhesive Lined,Marine Grade Shrink Wrap - Industrial Heat-Shrink Tubing - Black

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-15*