Makita Impact XPS is new innovation in fastening with insert bits and fastening accessories built for the demands of the professional contractor. The Impact XPS 1/2" Square 2" Socket Adapter is designed exclusively for use with high-torque impact drivers. Chamfered edges of the square drive end allows for easy installation and a retention ball helps secure the socket.The high quality steel construction provides increased durability and features a matte nickel surface for best in class corrosion resistance.