Draper Expert Hi-Torq® Metric Flexible Head Ratchet - 8241FMM/12This 12 piece Draper Expert HI TORQ metric flexible head ratchet combination spanner set is manufactured from hardened and tempered chrome vanadium steel, with a mirror chrome plate finish for corrosion protection. The 100 tooth ratchet enables 3. 6 movement and with a 180 flexible head and the open end set at 15, these spanners are ideal for use where theres limited space. The ring end is 12 point Draper Expert HI TORQ, providing a superior grip;