Draper Expert XP1000 quality. These 1/2"" Sq. Dr. VDE extension bars are forged from hardened chrome vanadium steel. Suitable for hybrid and electric vehicle servicing and maintenance. Tested to 10,000V for safe working on live circuits of 1,000V AC and 1,500V DC. Draper Expert XP1000® quality 255mm extension bar Tested to 10,000V for safe working on live circuits of 1,000V AC and 1,500V DC Ideal for hybrid and EV servicing and maintenance, plus electricians and other trades working on live circuits Forged from chrome vanadium steel Lifetime warranty Insulation : VDE Insulation testing: Tested to 10,000V suitable for working on live circuits of 1,000V AC and 1,500V DC