320pcs Waterproof Heat Shrink Tube Shrink Ratio 3:1 Heat Shrink Wrapping Kit Electrical Connection Wire Cable Insulation Sleeve

320Pcs 3:1 Heat Shrink Tubing Kitwith Glue:

Black 65pcs - 2.4 x 45mm Black 75pcs - 3.2 x 45mm Black 50pcs - 4.8 x 45mm Black 40pcs - 6.4 x 45mm

White 40pcs - 6.4 x 45mm

Black 15pcs - 7.9 x 45mm White 15pcs - 7.9 x 45mm

Black 10pcs - 9.5 x 45mm Black 10pcs - 12.5 x 45mm

3:1 SHRINK RATIO- Recovers to 1/3 of its original diameter, and makes a tight seal.Eliminates the problem of 2:1 tubing not shrinking tight enough.

GLUE INSIDE - When heat is applied, adhesive comes out and seals the connection,creating waterproof and long-lasting insulation.

VARIETY OF SIZES- We have included 9 most commonly used.