Are you looking for a professional, yet heat shrink tube? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our professional heat shrink tube must meet you needs. It is one of the for you. Features - Color: Assorted color. - Material: PE, crosslinked polyethylene. - Size: 17.00X13.00X3.60cm/ 6.68X5.11X1.41inches. - Made from material, safe and durable, a long period to use. Great for Home, electrician, electrical maintenance. - Heat shrink tubing is suitable for a wide range of applications. Used for wire connection, solder joint protection, wire end treatment resistance, capacitor protection. - It contains 12 different sizes, with bright color, which is convenient to classify and identify. Complete specifications meet your daily working needs. - Comes with a storage boxes, with separated grids, to place different sizes of heat shrink tubes, keep it neat and organized, which is portable and light weight to carry and storage. - Overall , insulation and waterproof, durable, It is a fast, safe, secure way to wrap wiring harnesses with this heat shrink tube. Package list: 180pcs x heat shrink tubes (1.0 x 45mm, black) 150pcs x heat shrink tubes (1.5 x 45mm, red) 100pcs x heat shrink tubes (2.0 x 45mm, yellow) 70pcs x heat shrink tubes (2.5 x 45mm, green) 50pcs x heat shrink tubes (3.0 x 45mm, black) 30pcs x heat shrink tubes (3.5 x 45mm, blue) 40pcs x heat shrink tubes (4.0 x 45mm, red) 25pcs x heat shrink tubes (5.0 x 45mm, blue) 25pcs x heat shrink tubes (6.0 x 45mm, blue) 25pcs x heat shrink tubes (7.0 x 45mm, red) 25pcs x heat shrink tubes (10.0 x 45mm, black) 20pcs x heat shrink tubes (13.0 x 45mm, black)