--- product_id: 358208301 title: "Wirefy 3/8\" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll" brand: "wirefy" price: "Β₯3819" currency: JPY in_stock: false reviews_count: 13 url: https://www.desertcart.jp/products/358208301-wirefy-3-8-heat-shrink-tubing-3-1-ratio-adhesive store_origin: JP region: Japan --- # Adhesive-lined for waterproof seal 3:1 shrink ratio for ultra-tight fit Marine-grade dual wall for max durability Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll **Brand:** wirefy **Price:** Β₯3819 **Availability:** ❌ Out of Stock ## Summary > πŸ”₯ Seal it tight, protect it right β€” the pro’s choice for lasting connections! ## Quick Answers - **What is this?** Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll by wirefy - **How much does it cost?** Β₯3819 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/358208301-wirefy-3-8-heat-shrink-tubing-3-1-ratio-adhesive) ## 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 - β€’ **Generous 50 Feet Roll:** Ample length to power through multiple projects without constant reordering. - β€’ **Precision 3:1 Shrink Ratio:** Ensures a snug, professional-grade seal that outperforms standard 2:1 tubing. - β€’ **Built-In Waterproof Adhesive:** Activates with heat to lock out moisture and protect your connections long-term. - β€’ **Easy Application, Instant Results:** Simply slide on, apply heat, and achieve flawless insulation in seconds. - β€’ **Marine-Grade Dual Wall Protection:** Resists heat, fluids, and mechanical stress for rugged, reliable insulation. ## Overview Wirefy’s 3/8" Heat Shrink Tubing features a superior 3:1 shrink ratio and adhesive-lined dual walls, delivering waterproof, durable insulation ideal for marine and industrial use. With 50 feet per roll, it offers professional-grade protection that withstands heat, fluids, and mechanical wear, making it the trusted solution for millennial pros who demand reliability and sleek finishes. ## Description Free delivery and returns on all eligible orders. Shop Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll. Review: Excellent value and worries a treat - Very good value and does exactly what it is supposed to do Review: Good shrink rate probably a genuine 3:1 or better.Strong and thick with good glue. Worth he extra - These are great. Really pleased. I managed to wrap a 1mm cable with these. The shrink rate is good and they're thick so they should insulate well. The glue also works well. They are expensive but the job looks tidy and they should last me for years. ## Features - 3:1 SHRINK RATIO - Recovers to 1/3 of its original diameter, and makes a tight seal. Eliminates the problem of 2:1 tubing not shrinking tight enough. - GLUE INSIDE - When heat is applied, adhesive comes out and seals the connection. This creates resistant and long-lasting insulation. - EASY TO USE - Simply slide heat shrink tube over your connection point and apply heat. Make professional insulated connections in seconds. - DUAL WALL TUBING - Provides enhanced protection from wear and tear. Industrial grade tubing is resistant to fluids, heat, and mechanical stretch. - 3/8 INCH (9.5mm) SHRINK TUBING DIAMETER - Get the exact diameter you need. 50 Feet of shrink tubing will last through many projects. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08W9BRKZQ | | Best Sellers Rank | 123,157 in DIY & Tools ( See Top 100 in DIY & Tools ) 73 in Tubes (DIY & Tools) | | Brand | Wirefy | | Customer Reviews | 4.6 out of 5 stars 24,781 Reviews | | Item Dimensions L x W | 25L x 6.5W centimetres | | Item Length | 15 Metres | | Item Thickness | 9.5 Millimetres | | Item Weight | 499 g | | Item thickness | 9.5 Millimetres | | Manufacturer | Wirefy | | Material | Polyolefin | | Model Number | Wirefy-DWT-9.5-B | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | Wirefy-DWT-9.5-B | | Product dimensions | 25L x 6.5W centimetres | | Recommended Uses For Product | Electrical insulation, Waterproofing, Environmental protection | | Recommended uses for product | Electrical insulation, Waterproofing, Environmental protection | | UPC | 850026973037 | | Unit Count | 15.24 meter | ## Product Details - **Brand:** Wirefy - **Colour:** Black - **Item length:** 15 Metres - **Item weight:** 1.1 Pounds - **Material:** Polyolefin - **Maximum pressure:** 10 Bars - **Nominal wall thickness:** 1.25 inches - **Outside diameter:** 9.5 Millimetres - **Product dimensions:** 25L x 6.5W centimetres - **UPC:** 850026973037 ## Images ![Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll - Image 1](https://m.media-amazon.com/images/I/71jVkJH53ML.jpg) ![Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll - Image 2](https://m.media-amazon.com/images/I/71wxLDwqrHL.jpg) ![Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll - Image 3](https://m.media-amazon.com/images/I/7175FwIA2LL.jpg) ![Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll - Image 4](https://m.media-amazon.com/images/I/71lsJeA7PjL.jpg) ![Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll - Image 5](https://m.media-amazon.com/images/I/71WLgzBobhL.jpg) ## Questions & Answers **Q: How flexible is the heat shrink once recovered? I am using it to group wires for a wiring loom/harness and my current heat shrink is very inflexible.** A: Probably the best one have ever tried not over flexible but not as brittle as over ones.little tip all ways try to use the smallest size you can as less shrinking the more flexibility it retains. **Q: Does it come in white** A: Its available in Red and Black. **Q: Is the tubing black or does it have printing on it all along the tubing ?** A: Thank you for your question. The tubing is black and there is printing on it. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent value and worries a treat *by N***E on 23 July 2026* Very good value and does exactly what it is supposed to do ### ⭐⭐⭐⭐⭐ Good shrink rate probably a genuine 3:1 or better.Strong and thick with good glue. Worth he extra *by M***R on 31 October 2025* These are great. Really pleased. I managed to wrap a 1mm cable with these. The shrink rate is good and they're thick so they should insulate well. The glue also works well. They are expensive but the job looks tidy and they should last me for years. ### ⭐⭐⭐⭐ Good product *by T***K on 2 July 2025* Good product- does the job ## Frequently Bought Together - Wirefy 3/8" Heat Shrink Tubing - 3:1 Ratio - Adhesive Lined - Marine Grade Heat Shrink - Black - 50 Feet Roll | Wire Heat Shrink Tubing, Wire Shrink Wrap Tubing, Heat Shrink Wire Tubing - Wirefy 150 PCS Wire Spade Connectors - Female Spade Connector Heat Shrink - Quick Disconnect Wire Connectors - Electrical Spade Terminals - Female Spade Connector 16-14 Gauge | Blue Spade Connectors - Wirefy 200 PCS Heat Shrink Butt Connectors Red 22-16 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/358208301-wirefy-3-8-heat-shrink-tubing-3-1-ratio-adhesive](https://www.desertcart.jp/products/358208301-wirefy-3-8-heat-shrink-tubing-3-1-ratio-adhesive) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-07*