Manufactured from heat treated and hardened S2 steel with a chemically blackened finish for resistance to corrosion. Keys range in length from 135mm to 215mm and in size from T10 to T50. Fitted with PP/TPR handles, keys are fully insulated to VDE and EN 60900 standards to protect from electric shocks up to 1500V DC and 1000V AC. Ideal for technicians working on modern hybrid and electrical vehicles (1500V DC safe live working). Also suitable for electricians and other trades (1000V AC safe live working). Supplied in storage case.