The Faithfull Professional high quality combination spanners, forged from chrome vanadium steel are hardened, tempered and satin chrome plated for corrosion protection. Manufactured to DIN 3113. Broached jaws and rings to ensure a consistent tolerance and a guaranteed accurate fit. Both the jaw and ring end are set at a 15 degree offset for ease of use in awkward positions. Contents: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,24,25,26,27,28, 30 and 32mm