ITEM NAME:Quick-Release Plates 3049 3/8 For Manfrotto RC0 3063 Tripod Ball Head Description: The 030-38 Hexagonal Quick Release Plate with 3/8"-20 Screw is the standard hexagonal quick release plate for the Manfrotto RC0 hexagonal quick release system. It comes with a 3/8"-20 camera screw, which can be tightened to bear against the camera base plate,3055S, 3055, 3063 RC0 Quick Release System For Manfrotto 3038, 3039, 3047, 3055, 3055S & 3063 Replaces #3049 Specification: Size:Approx.2.95''X2.95''X0.39''/7.5X7.5X1cm Material:Aluminium Alloy Package Includes: 1 x Quick Release Plate SKU: FUZ0025265151005706.The 030-38 Hexagonal Quick Release Plate with 3/8"-20 Screw is the standard hexagonal quick release plate for the Manfrotto RC0 hexagonal quick release system. RC0 Quick Release System. For Manfrotto 3038, 3039, 3047, 3055, 3055S & 3063.