Manufactured from heat treated & hardened Chrome Vanadium S2 steel with a chemically blackened finish for resistance to corrosion. Keys range in length from 135mm to 215mm & in size from T10 to T50. Fitted with PP/TPR handles, keys are fully insulated to VDE/TUV/GS & EN 60900 standards to protect from electric shocks up to 1500V DC & 1000V AC. Contents: T10, T15, T20, T25, T27, T30, T40, T45, T50. 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. Model No. AK7178