--- product_id: 333344908 title: "Wirefy 3/4\" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll" price: "VT24347" currency: VUV in_stock: false reviews_count: 8 url: https://www.desertcart.vu/products/333344908-wirefy-3-4-heat-shrink-tubing-large-diameter-3-1 store_origin: VU region: Vanuatu --- # Adhesive dual-wall seals waterproof & oil-proof 3:1 shrink ratio for ultra-tight fit 50ft flexible roll for custom cuts Wirefy 3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll **Price:** VT24347 **Availability:** ❌ Out of Stock ## Summary > 🔥 Seal the deal with Wirefy — where precision meets protection! ## Quick Answers - **What is this?** Wirefy 3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll - **How much does it cost?** VT24347 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/333344908-wirefy-3-4-heat-shrink-tubing-large-diameter-3-1) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Cut to Your Command:** Generous 50-foot roll lets you customize lengths on demand—no more wasted precut pieces. - • **Durability Meets Safety:** UL-listed tubing resists abrasion, heat, and flame, guaranteeing reliable insulation in critical applications. - • **Precision Fit, Every Time:** 3:1 shrink ratio ensures a snug, professional-grade seal that outperforms standard 2:1 tubing. - • **Versatile & User-Friendly:** Easy to apply with a heat gun, ideal for pros and DIYers who demand lasting, clean results. - • **Built to Brave the Elements:** Adhesive-lined dual walls create a waterproof, oil-proof barrier—perfect for marine, automotive, and outdoor use. ## Overview Wirefy Heat Shrink Tubing offers a superior 3:1 shrink ratio for a tight, secure fit, enhanced by an adhesive dual-wall that provides waterproof and oil-proof sealing. Supplied on a flexible 50-foot roll, this UL-listed tubing delivers durable insulation resistant to abrasion, heat, and flame, making it the trusted choice for professional electrical, automotive, and marine applications. ## Description Wirefy | Heat Shrink Tubing - 3/4" inch - 3:1 Ratio - Adhesive Dual Wall Waterproof - Heat Shrink Tube - Heatshrink Tubes - Red - 50 Feet Roll | Trusted UL Certification: desertcart.com: Industrial & Scientific Review: Great product - This stuff works great.Not just for wiring,I’ve used it to insulate tool handles, patch cracked or chafed or otherwise damaged outer sheathing of brake or clutch cables on bikes etc.I’ve ordered several sizes of the rolls and multiple boxes of the pre-cut assorted sizes over the past few years. Comes either 3:1 or 4:1 shrinkage rates . Once you figure out what you use the most it’s great to be able to get 20-25’ rolls . It has adhesive on the interior that really makes a great seal for keeping moisture out.There may be comparable products out there but I am going to continue to use this brand. I think the price is fair and you get what you pay for. Review: Wirefy Heat Shrink Tubing Kit: A Versatile and Durable Solution for Electrical Insulation - I recently purchased the Wirefy Heat Shrink Tubing Kit (180 PCS - 3:1 Ratio Adhesive Lined), and I am extremely satisfied with its performance. Here's a detailed review based on my experience: ### Comprehensive Kit This kit includes 180 pieces of heat shrink tubing in seven different sizes ranging from 3/32" to 3/4". This variety ensures that I have the right size for any project, whether it's small electronics or larger cable repairs. The pieces are precut to 3.5 inches, which is very convenient for quick applications​:citation[oaicite:6]{index=6}​​:citation[oaicite:5]{index=5}​. ### Superior Shrink Ratio The 3:1 shrink ratio is particularly impressive. It recovers to one-third of its original diameter, providing a snug and secure fit over various wire gauges. This feature eliminates the common issue of 2:1 tubing not shrinking tight enough, ensuring a professional and durable insulation every time​:citation[oaicite:4]{index=4}​. ### Adhesive Lined for Extra Protection What sets this kit apart is the adhesive lining inside the tubing. When heated, the adhesive melts and flows, creating a waterproof seal and providing excellent insulation. This feature is especially useful for automotive, marine, and outdoor applications where moisture resistance is crucial​:citation[oaicite:3]{index=3}​. ### Easy to Use Using this heat shrink tubing is straightforward. Simply slide the tubing over the connection and apply heat with a heat gun. The tubing shrinks quickly and evenly, making it easy to achieve professional results even for beginners. The dual-wall construction adds extra durability, with the outer wall providing abrasion resistance and the inner wall creating a strong adhesive bond​:citation[oaicite:2]{index=2}​​:citation[oaicite:1]{index=1}​. ### Excellent Value for Money At $14.99, this kit offers great value. The quality of the tubing and the comprehensive selection of sizes make it a cost-effective solution for a wide range of electrical insulation tasks. Free expedited shipping and returns add to the overall value, making it a hassle-free purchase​:citation[oaicite:0]{index=0}​. ### Final Thoughts Overall, the Wirefy Heat Shrink Tubing Kit is a high-quality, versatile product that meets all my electrical insulation needs. Its easy application, strong adhesive lining, and durable dual-wall construction make it a must-have for any DIY enthusiast or professional. I highly recommend this kit for anyone looking for reliable and effective heat shrink tubing. ## Features - 3:1 SHRINK RATIO: Wire shrink wrap tubing shrinks to 1/3 of its size for a tight, secure fit. Better than 2:1 tubing. Ideal for wire heat shrink tubing in electrical or automotive use. - 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. - 50FT FLEXIBLE ROLL: 3/4" heat shrink tubing on a 50ft roll. Cut any size you need. Better than precut kits. Perfect electrical shrink wrap tubing for custom cable runs. - DURABLE INSULATION - Electrical heat shrink tubing resists abrasion, oil, and heat. Use shrink tubing for wires in harsh environments. Strong, flexible, and durable insulation. - 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 | |---------------|-------| | Customer Reviews | 4.7 out of 5 stars 34,702 Reviews | ## Product Details - **Brand:** Wirefy - **Color:** Black - **Item Length:** 600 Inches - **Manufacturer:** Wirefy - **Material:** Polyolefin - **Maximum Pressure:** 10 Bars - **Nominal Wall Thickness:** 1,25 inch - **Outside Diameter:** 30 Millimeters - **Product Dimensions:** 10.83"L x 1.38"W - **UPC:** 850026973068 ## Images ![Wirefy 3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll - Image 1](https://m.media-amazon.com/images/I/81rdOCp7Z6L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product *by J***M on February 1, 2026* This stuff works great.Not just for wiring,I’ve used it to insulate tool handles, patch cracked or chafed or otherwise damaged outer sheathing of brake or clutch cables on bikes etc.I’ve ordered several sizes of the rolls and multiple boxes of the pre-cut assorted sizes over the past few years. Comes either 3:1 or 4:1 shrinkage rates . Once you figure out what you use the most it’s great to be able to get 20-25’ rolls . It has adhesive on the interior that really makes a great seal for keeping moisture out.There may be comparable products out there but I am going to continue to use this brand. I think the price is fair and you get what you pay for. ### ⭐⭐⭐⭐⭐ Wirefy Heat Shrink Tubing Kit: A Versatile and Durable Solution for Electrical Insulation *by T***H on June 19, 2024* I recently purchased the Wirefy Heat Shrink Tubing Kit (180 PCS - 3:1 Ratio Adhesive Lined), and I am extremely satisfied with its performance. Here's a detailed review based on my experience: ### Comprehensive Kit This kit includes 180 pieces of heat shrink tubing in seven different sizes ranging from 3/32" to 3/4". This variety ensures that I have the right size for any project, whether it's small electronics or larger cable repairs. The pieces are precut to 3.5 inches, which is very convenient for quick applications​:citation[oaicite:6]{index=6}​​:citation[oaicite:5]{index=5}​. ### Superior Shrink Ratio The 3:1 shrink ratio is particularly impressive. It recovers to one-third of its original diameter, providing a snug and secure fit over various wire gauges. This feature eliminates the common issue of 2:1 tubing not shrinking tight enough, ensuring a professional and durable insulation every time​:citation[oaicite:4]{index=4}​. ### Adhesive Lined for Extra Protection What sets this kit apart is the adhesive lining inside the tubing. When heated, the adhesive melts and flows, creating a waterproof seal and providing excellent insulation. This feature is especially useful for automotive, marine, and outdoor applications where moisture resistance is crucial​:citation[oaicite:3]{index=3}​. ### Easy to Use Using this heat shrink tubing is straightforward. Simply slide the tubing over the connection and apply heat with a heat gun. The tubing shrinks quickly and evenly, making it easy to achieve professional results even for beginners. The dual-wall construction adds extra durability, with the outer wall providing abrasion resistance and the inner wall creating a strong adhesive bond​:citation[oaicite:2]{index=2}​​:citation[oaicite:1]{index=1}​. ### Excellent Value for Money At $14.99, this kit offers great value. The quality of the tubing and the comprehensive selection of sizes make it a cost-effective solution for a wide range of electrical insulation tasks. Free expedited shipping and returns add to the overall value, making it a hassle-free purchase​:citation[oaicite:0]{index=0}​. ### Final Thoughts Overall, the Wirefy Heat Shrink Tubing Kit is a high-quality, versatile product that meets all my electrical insulation needs. Its easy application, strong adhesive lining, and durable dual-wall construction make it a must-have for any DIY enthusiast or professional. I highly recommend this kit for anyone looking for reliable and effective heat shrink tubing. ### ⭐⭐⭐⭐⭐ Cut to fit and worked like a charm. *by N***. on November 14, 2025* Solid choice. I was making a light project for the wife and needed some heat shrink I could place over the wiring so it looked less DIY. This was the perfect choice. I was able to cut the length I needed, slide it over the wires and then heat it to a nice snug fit using my heat gun. The 1:3 shrink rate is highly accurate and my only suggestion would be to cut less than you need since it will extend as it shrinks. Overall, easy install and great value for the money. ## Frequently Bought Together - Wirefy 3/4" Heat Shrink Tubing - Large Diameter - 3:1 Ratio - Adhesive Lined - Industrial Heat-Shrink Tubing - Black - 50 Feet Roll - Wirefy Heat Shrink Wire Connectors Kit - Marine Grade Electrical Connectors - Automotive Butt Connectors - Insulated Ring, Spade, Fork, Hook Crimp Terminals - 22-10 Gauge - 270 PCS - Crimping Tool for Heat Shrink Connectors - Ratcheting Wire Crimper - Crimping Pliers - Ratchet Terminal Crimper - Wire Crimp Tool by Wirefy --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/333344908-wirefy-3-4-heat-shrink-tubing-large-diameter-3-1](https://www.desertcart.vu/products/333344908-wirefy-3-4-heat-shrink-tubing-large-diameter-3-1) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-04*