3:1 Dual Wall Heat Shrink Tubing Kit 240 PCS Black | Waterproof Marine Grade, 2" Length, 7 Sizes 1/8"-5/8", Adhesive Lined, Premium Storage Case Included

Descripción

Product description ALEKOR 3:1 Heat Shrink Tubing 7 Sizes Assorted Kit Upgrade your wiring projects with a professional 3:1 dual-wall heat shrink tubing kit designed for real-world use Tired of short tubes that leave wires exposed? Frustrated with kits packed with tiny, useless filler sizes? Or storage boxes that don’t properly fit heat shrink tubing? ALEKOR delivers professional-grade quality designed for real wiring work. WHY LENGTH MATTERS Every tube is 50mm (2”) long—longer than standard kits. It ensures full overlap on terminals and tight bends, delivering better strain relief with no exposed wire. PRO-SELECTED SIZES — ZERO WASTE 7 essential diameters from 1/8” to 5/8”. No tiny, unusable fillers. All 240 pieces are practical for real electrical work. PREMIUM STORAGE CASE Durable, stackable, and jobsite-ready. The solid rectangular case (6.5” × 4.8” × 2.3”) is easy to store, stack, and carry while keeping every tube neatly organized and protected during transport and use. Dual Wall Construction Creates a True Waterproof Barrier Outer polyolefin provides insulation.Inner adhesive liner melts and flows when heated, sealing out moisture, saltwater, and corrosion for long-term reliability.Professional dual-wall heat shrink tubing that creates a waterproof, corrosion-proof seal for automotive, marine, engine bays, wiring harnesses and electrical repairs. 3:1 SHRINK RATIO Heavy-duty dual-wall tubing with a heat-activated adhesive liner. When heated, it shrinks to one-third of its original diameter as the inner adhesive melts and flows, forming a marine-grade 360° watertight seal that protects connections from saltwater, corrosion, and moisture. Shrink Ratio: 3:1 Voltage Rating: 600V Operating Temp: -55°C ~ 125°C (-67°F ~ 257°F) Full Shrink Temp: 110°C (230°F) Perfect for automotive wiring, boat repairs, electrical maintenance, and DIY projects. Automotive Electrical Marine DIY Why This Kit Works Better One Kit Covers All Your Wiring Needs Extra-long 50mm tubes for proper overlap.240 pieces, Only practical sizes professionals actually use.7 essential sizes, 1/8” up to 5/8”. No tiny, unusable fillers.Premium storage case, Durable, stackable, and jobsite-ready.3:1 shrink ratio fits irregular connectors.Adhesive liner creates a true waterproof seal.15+ Years Factory Expertise A professional heat shrink kit designed to eliminate waste and deliver dependable waterproof protection. ALEKOR 3:1 Ratio Heat Shrink Tubing Roll Adhesive Lined Industrial Marine Gra... ALEKOR 4 Sizes 188 Pieces Large Heat Shrink Tubing Kit 3:1 Ratio Industrial M... ALEKOR 3:1 Ratio Heat Shrink Tubing Roll Adhesive Lined Industrial Marine Gra... ALEKOR 10 Sizes 505 Pieces Large Adhesive Heat Shrink Tubing Kit 3:1 Ratio In... Add to Cart Add to Cart Add to Cart Add to Cart 240pcs Kit Spec (Inch) Quantity (pcs) Original I.D. (mm) Recovered Shink I.D. (mm) Recommended AWG Wire Range 1/8" 85 3.8±0.2 1.05 18-16 AWG 3/16" 55 5.3±0.2 1.60 14-12 AWG 1/4" 30 7.0±0.2 2.10 12-10 AWG 5/16" 25 8.3±0.2 2.70 10-8 AWG 3/8" 20 10.0±0.2 3.10 8-6 AWG 1/2" 15 13.3±0.2 4.20 6-4 AWG 5/8" 10 16.0±0.2 5.10 4-2 AWG

Características

• 50MM EXTRA LONG – 2" length ensures full terminal coverage and strain relief, 5mm longer than standard kits
• 3:1 SHRINK RATIO & ADHESIVE LINER – Heavy-duty dual-wall design with heat-activated glue forms a 360° seal against moisture and corrosion
• FLAME RETARDANT – High-grade polyolefin material, self-extinguishing and rated for -67°F to 257°F, ideal for engine bays and high-heat wiring
• PRO SIZES ONLY – Includes only practical diameters from 1/8” to 5/8” (240 pcs total). No tiny, unusable pieces. Suitable for automotive, marine, and electrical projects
• PREMIUM STORAGE CASE – The solid rectangular case (6.5” × 4.8” × 2.3”) is easy to store, stack, and carry, keeping every tube neatly organized and protected
• QUALITY GUARANTEE – Manufactured by insulation specialists, with each tube tested to ensure consistent shrink performance and reliability

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