Manufactured from heat treated & hardened S2 steel with a chemically blackened finish for resistance to corrosion. Keys range in length from 135mm to 215mm & in size from 2.5mm to 8mm. Fitted with PP/TPR handles, fully insulated to VDE & EN 60900 standards to protect from electric shocks up to 1500V DC & 1000V AC. Ideal for technicians working on modern hybrid & electrical vehicles (1500V DC safe live working). Also suitable for electricians & carpenters (1000V AC safe live working). Supplied in carry-case.