Carr Lane CLM-10-RGU-1 | M5 Thread x 0.8mm Pitch Round GripperBonded Urethane Round Grippers are replaceable inserts that provide additional holding force and or wear resistance. Made in USA. Hardness Selection 35 Durometer Yellow Installation Fasten from behind with a socket head cap screw. Grippers can be recess mounted in a flat bottom hole, or surface mounted to use as a rest pad. Tapped Round Grippers can also be installed in Gripper Swivel Pads and Gripper Swivel Contact Bolts. Material Material Heat Treat