JTZ Quick Release Plate Replace Tripod Head for Velbon Qb-4w Cx-444, Cx-888, Cx-460, Cx-460mini,cx-470, Cx-570, Cx-690, Df-50 Sony Vct-d580rm, Vct-d680rm, Vct-r640 The quick release shoe is designed to be used with the Velbon PH-249Q Pan Head and CX-444 / CX-460 Mini / CX-Compact / CX-888 tripods Quick release plates attach to the tripod mount on your camera and allow you to quickly and easily attach and detach your camera from a compatible tripod head Extra quick release plates allow you to conveniently swap out more than one camera with the same tripod Size: Length 66mm (2.6") x Width 52mm(2.05") Bottom Size: 44mm(1.73") x 44mm(1.73") Package included 1 x Quick Release Plate