3:1 Marine Grade Adhesive Dual Wall Heat Shrink Tubing Kit | Black | 240-Piece | ALE-DWT-240

Professional-grade 3:1 heat shrink tubing kit with marine-grade adhesive lining. This 240-piece set features flame-retardant polyolefin tubes with hot-melt inner adhesive that creates waterproof, 360° seals resistant to moisture, salt, and abrasion. Seven practical diameters (1/8" to 5/8"), each 50mm long, rated to 600V and operating from -67°F to 257°F. Includes organized storage case for jobsite convenience. Ideal for marine, automotive, and commercial electrical connections.

Features
3:1 High Shrink Ratio: Contracts to one-third of its original diameter, effortlessly sliding over irregular connectors and terminal lugs for a uniform grip.
Marine-Grade Adhesive Liner: Inner hot-melt glue liquefies during heating, creating an impenetrable 360° environmental barrier that resists moisture, salt, and acids.
Extra-Long 50mm (2") Cut: Provides 5mm more coverage than standard 45mm tubes, guaranteeing complete terminal overlap and superior strain relief.
Pro-Sized Zero-Waste Selection: Eliminates unusable sub-millimeter pieces by focusing exclusively on 7 practical diameters from 1/8" to 5/8".
Self-Extinguishing Polyolefin: High-temp flame-retardant construction operates reliably from -67°F to 257°F, making it suitable for engine bays and industrial machinery.
Modular Storage Case: Heavy-duty, transparent container neatly organizes each tube size for rapid selection on the jobsite or in the shop.

Specifications
Shrink Ratio: 3:1
Inner Adhesive: Heat-activated hot-melt glue
Tube Length: 50 mm (2.0 in)
Voltage Rating: 600 V
Operating Temperature: -55°C to 125°C (-67°F to 257°F)
Minimum Full Shrink Temperature: 110°C (230°F)
Material: Flame-retardant cross-linked polyolefin
Color: Black
Total Quantity: 240 pieces
Tubing Size (in): 1/8", 3/16", 1/4", 5/16", 3/8", 1/2", 5/8"
Storage Case Dimensions (L x W x H): 6.50 × 4.80 × 2.30 inches
Weight: 0.69 lbs