For running wire through walls, attics, crawl spaces, sub- floors and suspended ceilings, the PC part great insulating property. The item is flexibility, wear- resistant,- resistant and anti- oxidation. Made of material, can be used for, not easy to. Features - Color: Silver - Size: 25. 50X0. 20X0. 20cm10. 02X0. 08X0. 08inch - Material: PC, wire - Adopted high grade material, sturdy and durable for use. - Suitable for wire, cable and heavy duty wire. Can adjust the tension, very convenient for using. - Push the spring to make it firm and not easy to slide, will be a great fastening tool. - Connect the one side, and the red wire cover prevents the wire from disconnecting when pulled. - Connect the end with tape to connect the wire and tape firmly. Package list: 10 x Wire Harness