General description Expert Quality 6 point sockets manufactured from chrome vanadium steel, hardened, tempered, and chrome plated. This Draper product is tested to 10,000V, ensuring safety for live working at 1000V AC or 1500V DC. Technical specifications Socket size: 29mm Material: Chrome vanadium steel Voltage test: 10,000V Live working voltage: 1000V AC or 1500V DC