Manufactured from heat treated and hardened Chrome Vanadium steel with satin chrome finish. Keys range in length from 79mm to 180mm and in size from 1.5mm to 10mm. Ball-end allows key to drive fixing at up to 30° from the fixing's axis. Supplied in easy-access case with hanging tag for safe storage and quick key selection. Contents: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm. Lifetime guarantee*. Model No. AK7139