Velbon Tripod Camera Quick Release Plate QB-4W for Velbon and Sony Tripod A quick release plate attached to the bottom of the camera allows the user to quickly and easily attach or remove the camera from the tripod Size : W62 x L66mm Weight : 31g Camera Screw Size : 1/4" Available models : Velbon CX-444, CX-888, CX-460, CX-460mini, CX-470, CX-570, CX-690, DF-50 / SONY VCT-D580RM, VCT-D680RM, VCT-R640