7 Sizes: Pre-cut crystal clear heat shrink tubing includes 7 most commonly used sizes for different wiring projects, 1.77 inches in length, with diameter ranging from 3/32'' to 3/4''
3:1 Dual Wall Tubing: RED WOLF heat shrink wrap shrinks to 1/3 of its original diameter when heated to 125°C–200°C; The inner adhesive lining forms a waterproof, airtight seal that effectively prevents wire corrosion and electrical short circuits
Tidy & Convenient: Comes with a 12-grid storage box, keeping 260 tubes neatly sorted by size for instant access—no more frantic searching during repairs; Transparent heat shrink tubing allows you to inspect solder joints and connection status without disassembly; The clear tubes also double as cable markers, you can easily read labels right through them
Easy to Use: No specialized tools needed, simply slide the proper size onto wires, heat with a heat gun for a few seconds, and you'll achieve a tight, secure wire connection
Wide Application: Waterproof heat shrink is ideal for wire insulation, cable repair, and connector protection across industrial, marine, and electrical equipment; It also serves as a practical gift for electronics professionals and DIY enthusiasts, working perfectly for both professional projects and common household repairs