2 pcs Heat Shrinkable Tube:1 pcs 30mm & 1 pcs 50mm 30MM Heat Shrinkable Tube: Provides insulation protection for electric wire connection, welding spot, various Wire harness, inductance, electron device, etc. Great to metal components from . It has the advantage of good inflaming retardant, good insulation,low shrink temperature, fast shrink speed, etc. Convenient and safe for using. Product Name : Heat Shrinkable Tube; Rated Voltage : 600V Temperature Level : 125C; : -1 Diameter : 30mm Shrink Ratio : 2:1 Length (Each) : 1m 50MM Heat Shrinkable Tube: Very thin wall tubing good protection for temperature sensitive components. Low shrink temp improves production efficiency. Suitable for electric insulation and bonding of cables and connectors and widely applied for connecting or end-handling, electric wire, insulating and harness of electric wire, -proof of metallic rods or tubes, and antenna protection. Product Name : Heat Shrinkable Tube; : -1 Diameter : 50MM Shrink Ratio : 2:1 Length (.) : 1M/3.3Ft; Color : Black Material : Polyolefin Package Contents: 2 x Heat Shrinkable Tube Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.