The GripEdge Tools 12-pc Triple Square Socket Set delivers torque, durability, and versatility for Audi, Volkswagen, and Porsche applications. Available in 1/4″, 3/8″, and 1/2″ drive sizes, this second-generation set is built with our patented Rounding Prevention Technology (R.P.T.) and precision-machined S2 steel construction. Each socket features a corrosion-resistant coating and large, stamped and paint-filled markings for quick identification, even in low-light conditions. The set includes sizes: M4, M5, M6, M7, M8, M9, M10, M12, M13, M14, M16, M18.