3 inch Diameter Rotary Table installs vertically or horizontally on smaller milling machine tables to cut circular grooves, gears, bolt patterns and other custom shapes. Handwheel with engraved markings rotates workpiece; lock screw holds table securely in position. Includes M6 x 1.0 threaded center hole and hardware for mounting accessories and stock. 3-1/4 inch x 4-1/4 inch base plate. Overall height 1-5/8 inches.