The Toyo-View 54mm Tripod Mounting Block is specially designed for increasing the stability of the tripod even in extension.It is compatible with the 23G, 45C, D, E, F, G, GB, GII, and GX camerasThis features quick clamp fittings of 2.1" along with the socket of ΒΌ" and 3/8" that ensures easy removal and attachment of the camera to the tripod