Description This product is a heat shrink wire connector, made of solid materials, safe and durable. It can serve you for a long time without being easily damaged. The product is an excellent heat shrink wire connector that can bring you more convenience, allowing you to have a more comfortable experience. Features -Color:As Shown -Material:Rubber hose- Size: 10.00X6.50X2.50cm/3.93X2.55X0.98in Working temperature: -55~125 Celsius degreeStarting shrinkage temperature: 80 Celsius degreeSoldering tin starting melting temperature: 138 Celsius degreeSoldering tin fully melting temperature: 160 Celsius degreeShrinkage temperature: >160 Celsius degreeDielectrical strength: 1kVProtection level: IP67- The copper rod ensures a strong and safe pressing every time, minimizes the voltage drop, flows a large current, and reduces heat. Thus, short circuits and faulty wiring can be prevented.- Each crimp terminal, tinned copper barrel that holds the wire securely when crimped, features a seamless copper sheet design that eliminates open problems. The wire will not slip off the connector.- The insulated tubes feature a unique double-wall design. Shrink tubing is a heat-activated seal liner that provides a 360-degree secure seal. Flame retardant, suitable for use.- Widely used in ships, automobiles, motorcycles, machinery, power distribution, electronics industry, household and new energy industries, etc.- Sturdy grade construction, durability, non-deformation, impact resistance and aging resistance for long-lasting reliability. Packing list: 50 x wire connectors