Deep Crank Metric Ring Spanner Set designed for the efficient tightening and loosening of fasteners The Draper 06177 is an 8 piece Deep Crank Metric Ring Spanner Set accurately broached with chamfered bi-hexagon profiles for easy nut location. These spanners are made from robust and durable chrome vanadium steel and are offset at 45°. Kit contains sizes ranging from 6 x 7mm to 20 x 22mm. Features: Professional 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 Offset at 45° Contains 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 Specification: Pack Qty: 8 piece