Wrench Ratcheting Combination Reversible, Chrome Vanadium, 12 Point, Metric, Diameter 21mm, OAL Length 270mm, EGA MASTER (62692), Features: The exclusive design of the MASTERGEAR Combination Wrenches, provide the demanding professional with an all-in-one wrench for the most difficult access tightening, with a comfortable ratchet system. Made in Chrome Vanadium, they largely stand the most restrictive quality standards for torque. Their 72 teeth gear together with the ratchet head design enables tightening in the narrowest places, with only 5º required for such purpose. Its innovative box drive allows to tight multiple nut heads such as Spherical , 6-point , 12 point, Etorx and Square, together with 50% rounded off nuts. Size range from 8-24 mm and 5/16''-15/16''