Measures 5″ in diameter. Jaws open and close by turning the center worm screw with the provided wrench, which is also used to lock the turntable in position. Provided with a complete set of attachments mounted on a wood base and a rubber pad for the block. Made in India Ball Diameter: 5″ Jaw Width: 2-5/8″ Jaw Height: 1-1/2″ Max Opening: 3″








