Ivation Set of 2 Replacement Quick Release Plate for The Manfrotto MVH500AH, MVM500A, 755CX3, 755XBK, MVK500AM Tripod Heads w/Rapid Connect Adapter Precision crafted makes changing cameras fast & easy Allows for perfect balance of most camcorders Grooved rubber pad provides traction Supplied with both 1/4 inch and 3/8 inch threads Engraved scale to help identify the optimal positions