iShoot Detachable L-shaped Vertical Quick Release Plate/Camera Holder Bracket Grip Special for Arca-Swiss Fit Tripod Ball Head Canon EOS 1DX - Bottom Plate Can be Removed and Used as Quick Release Plate Aviation aluminum,made in China Specifically for canon EOS 1DX Reserve space for the main data port Split type design,bottom plate can be removed Thickened and strengthened design, weight is only around 220g