[Usage method]: Peel off the outer skin of the wire tail and insert it into the casing, then press it with crimping pliers. [Product Features]: The internal aluminum tube is extra long, which increases the wire crimping range, makes it easier to conduct electricity, and can more easily clamp the wire, even if it is vibrated, it is not easy to fall off [Product use]: Widely used in various electrical products, such as electric fans, exhaust air, lighting, fans, motors and other household wiring wiring equipment [Product Name]: CE-1X Nylon Crimping Cap [Product material]: Using PA engineering raw materials, fire rating 94V-2, good insulation, not easy to age, the inside is made of extra-long aluminum tube [Rated temperature]: 105C (221F) [Rated voltage]: 300V size:4.5 x 17.8 x 7mm Material:Nylon+Aluminum colour:Transparent Package Contents: 1000 x Flame retardant wiring cap Only the above package content, other products are not included. Note: Light shooting 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.