?QUICK RELEASE PLATE?:Armra quick release plate can be kept attached to the camera's base and allows the user to quickly and easily attach or remove the camera from a compatible tripod head without having to waste time fumbling with the threaded mount. ?EASY INSTALATION?:Removable quick release plate,you can easy to intall it quickly. There is a protection button and a 1/4" screw which can adopt all DSLR cameras. And screw is D ring style. You can drive it tighen by hand instead of screwdriver. ?EXACT SIZE?:The top size is about 64x49mm. And the bottom of the interface connecting size is 43x43mm, which is designed beased on original brand tripods. Which weight is 23g. ?HIGH QUALITY?:The QR plate built with excellent materials, offering outstanding quality. Made of plastic and aluminum alloy, max load capacity up to 8kg / 17Lbs. ?COMPATIBLE WITH?: ARMRA Quick release plate works pefectly with most popular brand tripod, including for Velbon CX-444, CX-888, CX-460, CX-460mini, CX-470, CX-570, CX-690, DF-50, for Sony VCT-D580RM, VCT-D680RM, VCT-R640, for Yunteng 668RM, 668, 690, 590, 800, 600 60AV, DSLR SLR Camera.