- Part of the Siegen by Sealey range of quality tools at competitive prices. - Manufactured from heat treated and hardened Chrome Vanadium steel with a blackened finish. - Keys range in length from 85mm to 160mm and in size from T10 to T50. - Contents: T10, T15, T20, T25, T27, T30, T40, T45, T50. - Supplied in easy-access case with hanging tag for safe storage and quick key selection. - Lifetime guarantee*.