CHARACTERISTICS:Insert made of CrV steel. Handle is totally made of insulating material, polyamide with the addition of fibreglass. Sizes 17 and 19 have a special cut down. Tool is controlled and tested (10kV/10s) in accordance with EN 60900:2012.Size: 24mmArm Length: 155mmWeight: 135gAPPLICATIONLive working up to 1000V a.c. and 1500V d.c. Tool is used to blocking screws and nuts during tighten and loosen screw joint in connecting boxes especially in difficult to reach places.