Manufactured from hardened and heat treated Chrome Vanadium steel with a fully polished finish. Keys range in length from 90 to 230mm. Contents: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm. Colour-coded anti-slip coating for comfort, control and fast identification. Supplied in easy-access case for safe storage and quick key selection.