BoxoUSA metric flex head ratcheting wrenches are sold individually in 12 sizes from 8mm to 19mm. Each wrench has a 12-point ratcheting box end on a flex head with 180 degrees of total swing, a smooth jaw open end and a mirror chrome finish. The collection also includes a 12-piece 100-tooth flex head ratcheting wrench set in a 1/3rd EVA foam insert and a 24-piece metric and SAE reversible ratcheting wrench set for the 5-drawer hand carry box.