3:1 Marine Grade Adhesive Dual-Wall Heat Shrink Tubing Kit | Assorted Colors | 350-Piece | SLH-DWT-350

Professional 350-piece heat shrink tubing kit engineered for marine and automotive electrical work. Features 3:1 shrink ratio with heat-activated adhesive lining that creates waterproof, airtight seals against moisture, saltwater, and corrosive environments. Includes seven diameter sizes in five color-coded options (Black, Red, Blue, Yellow, Green) for easy circuit identification. Flame-retardant, puncture-resistant polyolefin construction withstands harsh conditions in engine bays and marine applications. Organized in a labeled 23-slot compartment case for quick access and storage. Perfect for technicians and DIYers seeking reliable terminal insulation and strain relief on demanding projects.

Features:
3:1 High-Shrink Ratio: Recovers to one-third of its original diameter, effortlessly bridging bulky connectors and irregular splices for a secure, snug fit.
Watertight Adhesive Lining: Melts during heating to flow into wire crevices, sealing out moisture, solvents, and environmental contaminants.
Marine & Industrial Resilience: Engineered with puncture-resistant, flame-retardant polyolefin plastic designed to endure harsh engine bays, marine hulls, and industrial factory floors.
Color-Coded Circuit Identification: Features five distinct colors (Black, Red, Blue, Yellow, Green) to simplify wire bundling, polarity tracking, and phase marking.
Organized Modular Case: Ships in a durable, labeled 23-slot storage box that prevents mixing and ensures rapid size selection during field service.

Specifications:
Shrink Ratio: 3:1
Lining Type: Dual-wall with hot-melt internal adhesive
Material: Cross-linked polyolefin / plastic
Total Piece Count: 350 pieces
Size Breakdown:
1/16" (1.7" length): 48 pieces
3/32" (1.7" length): 120 pieces
1/8" (1.7" length): 70 pieces
3/16" (1.7" length): 44 pieces
1/4" (1.7" length): 40 pieces
3/8" (1.7" length): 24 pieces
1/2" (3.4" length): 4 pieces
Colors: Black, Red, Blue, Yellow, Green
Recommended Application Tools: Industrial heat gun or regulated mini-torch
Dimensions (L x W x H): 9.88" x 7.01" x 0.75"
Weight: 0.69 lbs