Draper Deep Crank Metric Ring Spanner Set (8 Piece) - 110S 8MProfessional Quality, long series manufactured from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. Ring ends are accurately broached with chamfered bi hexagon profiles for easy nut location and are offset at 45. With clip. Carton packed. 8 x Spanners: 6 x 7, 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19, 20 x 22mm Manufactured to DIN 838 ISO 3318 Specifications Key Features Professional quality construction