Gripper Pad w/Tapped Through-Hole, System of Measurement Metric, Hole Type Through Hole, Outside Diameter 20 mm, Overall Height 10 mm, Thread Size M5, Body Material Tool Steel/Carbide, Top Surface Material Carbide, Overall shape Square, Pad Texture Serrated, Counterbore Diameter Not Applicable, Serration Type Fine, Finish Black Oxide, For Use With Clamping Arms, Clamping Fixtures, Clamping Jaws, Gripping Systems, Self-Aligning Pads