The Kupo easyrig frog clip bracket made by cnc machined aluminum block 62(w) x 54(h) mm with black anodized surface treatment. Kong frog clip (not included) can be tightly linked on the aluminum bracket with an included 3/8”-16 bolt. The upper slot is designed for original easy rig spring clip to easy access without modification. A must have gadget that makes you quickly and easily attach/ detach the camera from easyrig.