Combination Wrench Set is a must-have piece of equipment in your toolbox The set comes with a nine-piece combination of 6 mm, 8 mm, 10 mm, 11 mm, 12 mm, 14 mm and 17 mm sized wrenches The wrenches are very useful for tackling different types of bolts and nuts and can easily be maneuvered even in hard to reach places Made from hardened and tempered chrome vanadium alloy steel, these wrenches offer exceptional durability and are long-lasting They are also drop-forged and exceed ANSI specifications