Feature: 1. The heat shrinkable tube is used to protect the connection of wires, metal rods or pipes and prevent the wires from being exposed. 2. Made of high-quality materials, it has the characteristics of insulation, corrosion resistance, wear resistance and good sealing. 3. The shrink tube shrinks quickly and is convenient to use, and can shrink when heated by an oven or a hot air gun. 4. The kit contains a variety of heat shrinkable tubes of different colors and specifications to meet different needs. 5. Used in wire connection, wire end treatment, solder joint protection, insulation protection of resistance and capacitance, etc. Specification: Item Type: Heat Shrink Tube Specification: Black: 80pcs 2 x 45mm / 0.1 x 1.8in 50pcs 4 x 45mm / 0.2 x 1.8in 30pcs 5 x 45mm / 0.2 x 1.8in 20pcs 10 x 45mm / 0.4 x 1.8in Blue: 80pcs 2 x 45mm / 0.1 x 1.8in 20pcs 10 x 45mm / 0.4 x 1.8in Yellow: 80pcs 1.5 x 45mm / 0.1 x 1.8in 20pcs 6 x 45mm / 0.2 x 1.8in Green: 60pcs 3 x 45mm / 0.1 x 1.8in 20pcs 10 x 45mm / 0.4 x 1.8in Red: 50pcs 4 x 45mm / 0.2 x 1.8in 20pcs 8 x 45mm / 0.3 x 1.8in. Package List: 530 x Heat Shrink Tube(180 x Black, 100 x Blue, 100 x Yellow, 80 x Green, 70 x Red)