It is a completely black-colour quick release plate, which fits on Velbon CX560, CX 660 Tripod. It makes photography easy and quick. The 1/4 x 20 female thread makes it easy for you in attaching the quick release to the camera base. It is 51 mm long and 45 mm wide quick release. It is pentagon shape quick release plate that fits on PH-159Q head easily.