Specifications: Diameter [mm]: 6 Dimensions [mm]: 40 Transparent YT-81454 heat shrink tubing with a tin ring in the middle and two thermal adhesive rings on the sides to further seal the joint. for wires with a cross-section: 4-6 mm2, 12-10 AWG tube length: 40 mm inner tube diameter 6 mm solder binder melting point: 105°C sleeve shrink temperature: 80°C package of 100 pcs **