• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • 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. • Contents: T10, T15, T20, T25, T27, T30, T40, T45, T50. • 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. • Lifetime guarantee*.