Features: 1.Cable threader can be used for right-angle pipe, wall groove, floor duct and other wiring installation. 2.The solid spring has good resilience, softness and tension, and is not easy to deform. 3.High-strength and high-toughness spring head with 360-degree dead angle design, cornering. 4.The crimped head is strong and hard to fall off. 5.This is the great tool to assist the cable through the pipe. Size Spring Head Total Length Spring Length 5M: 126mm 83mm 10M: 126mm 81mm 15M: 124mm 80mm 20M: 114mm 71mm 25M: 128mm 85mm 30M: 122mm 79mm Size Chart Size::5MSpring Head Total Lengthmm::126Spring Lengthmm::83 Size::10MSpring Head Total Lengthmm::126Spring Lengthmm::81 Size::15MSpring Head Total Lengthmm::124Spring Lengthmm::80 Size::20MSpring Head Total Lengthmm::114Spring Lengthmm::71 Size::25MSpring Head Total Lengthmm::128Spring Lengthmm::85 Size::30MSpring Head Total Lengthmm::122Spring Lengthmm::79 Package List: 1 x Wire Threader