3:1 Heat Shrink Tubing Kit with 240 pieces and a 3:1 shrink ratio gives you durable, waterproof wire protection for your automotive, marine, and electrical projects.
**Condition**
Brand new
**Measurements**
- 8 different diameters
- 240 pieces total
- 50mm extra long (2 inches)
- 3:1 shrink ratio
- Includes diameters from 1/8 inch to 5/8 inch
- Case dimensions: 6.5 x 4.8 x 2.3 inches
**Materials / Fabric**
- Polyolefin material
- Dual-wall adhesive lined
**Features**
- 50MM EXTRA LONG – 2" length ensures full terminal coverage and strain relief
- 3:1 SHRINK RATIO & ADHESIVE LINER – Heat-activated glue forms a 360° seal against moisture and corrosion
- FLAME RETARDANT – Self-extinguishing, rated for -67°F to 257°F, ideal for engine bays
- PRO SIZES ONLY – Practical diameters only. No tiny, unusable pieces
- PREMIUM STORAGE CASE – Solid rectangular case keeps every tube organized and protected
- QUALITY GUARANTEE – Each tube tested for consistent shrink performance and reliability
**Compartments**
- Rectangular storage case with organized interior
**Carrying / Wearing Options**
- Compact case is easy to store, stack, and carry
**Practical Use**
Get full coverage for your wiring connections. The adhesive liner melts during shrinking to create a waterproof barrier against moisture, corrosion, and abrasion. Flame-retardant polyolefin handles heat up to 257°F, so you can use it confidently on boats, vehicles, and electrical panels.
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