Size 12mm, Length 105mm , Weight 48 grams. The wrenches short length makes it easy to operate in confined spaces. The 14 point ring head is set at a 15 degree angle to create clearance for fingers even on flat surfaces. Ring head is designed to grip flat sides of a nut, not corners, to prevent round-off & damage. Made from chrome vanadium with polished heads & satin finish for extra grip in oily environments. Features a lifetime warranty.