General description Sealey Premier Insulated TRX-Star Key Set includes 9 pieces, designed for safe live working on hybrid and electric vehicles, as well as for electricians and other trades. The keys are fully insulated and manufactured from heat-treated and hardened S2 steel, featuring a chemically blackened finish for enhanced corrosion resistance. Technical specifications Material: Heat treated and hardened S2 steel Finish: Chemically blackened for corrosion resistance Key lengths: 135mm to 215mm Sizes included: T10, T15, T20, T25, T27, T30, T40, T45, T50 Tray Size (W x D x H): 175 x 395 x 30mm Compatibility and accessories Suitable for technicians working on modern hybrid and electric vehicles (1500V DC safe live working) Also suitable for electricians and carpenters (1000V AC safe live working) Supplied in an EVA foam storage tray for easy organization Other information Lifetime guarantee*