Andoer&reg; Quick Release Clamp Adapter + Quick Release Plate P200 Compatible for Manfrotto 501 500AH 701HDV 503HDV Q5 Can be used with tripod, rail, stabilizer and different devices, for Photography. Compatible for Manfrotto 500AH, 701HDV, 577, etc. Fast switching between different devices without replaceing the quick release assembly. Made of aluminum alloy, very durable. This item is composed of a quick release clamp adapter and a quick release plate.