Whittet-Higgins BAS-03 Axial Bearing Assembly Socket, 1.500" Max. Outside Diameter, 2.063" Max. Length, replaces Standard SW-03, Makes assembling bearing & power transmission components easier Reduces time to assemble bearings & power transmission assemblies Increases accuracy of preloading bearings. Square drive for use with standard torque wrenches, socket wrenches, & pneumatic torque tools Hardened socket and pins built for toughness & long life. Made in USA