Manufactured from heat treated and hardened Chrome Vanadium steel with a blackened finish. Keys range in length from 90mm to 230mm 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*. Model No. S01096