"5/8 IN. DIAMETER SPINDLE,SHIPPING WEIGHT 21 POUNDS,FOR CYLINDRICAL,SURFACE,FACE,TOOL AND CUTTER GRINDING. SELECTION OF SPINDLE SPEEDS TO HANDLE A WIDE WORK RANGE. WHEELS CAN BE MOUNTED ON EITHEER END OF THE SPINDLE FOR MAXIMUM WORK ACCESSIBILITY AND OPERATOR EASE. WITH GUARD,PULLEY AND BELT. 3.00 IN. WHEEL DIAMETER ALSO AVAILABLE. SPINDLE SPEEDS 3800 RPM TO 7000 RPM WITH 60 HEERTZ MOTOR,"