IVY Classic Hex to Square Socket Adapters allow drills and impact drivers to fit standard sockets to drive hex-head screws, bolts and nuts. These socket adapters are designed to withstand the high torque (rotational force) of impact drivers, Impact Plus (Registered Trademark). Made from high-quality Chrome Vanadium Steel for extra strength and durability. The stainless steel ball and spring retention system allows for quick-change applications. IVY Classic Industries manufactures an extensive line of hex to square socket adapters in a variety of sizes and lengths. IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools.