SHAFT ARBOR, FITS SHAFT DIAMETER 1/4 IN, FOR USE WITH SMALLER FRACTIONAL HORSEPOWER MOTORS, INCLUDES FLANGED WASHERS, HEX NUT, THREAD LENGTH 1 1/8 IN, THREAD SIZE 3/8 IN.-24 LH, WASHER OUTSIDE DIAMETER 1 1/4 IN, MAXIMUM WHEEL WIDTH 1/2 IN, SETSCREW TYPE SOCKET, SHAFT ROTATION CLOCKWISE, OVERALL LENGTH 2 IN, TYPE SMALL, APPLICATION MOUNTING VARIOUS BUFFING AND FINISHING WHEELS ON ELECTRIC MOTORS