Includes 3/4 Drive 6 Point Shallow Impact Sockets. Sizes: 3/4 to 1-5/8″. SuperTorque lobular openings for greater turning power without deforming the fastener. Designed for maximum engagement on 6 point fasteners. Suitable for use with pneumatic and electric impact wrenches. Specially heat treated for impact use to provide long life, safety, and durability