Sliding camera plate (180mm long) with metric ruler compatible with Manfrotto fluid video heads: MVH502AH, MVH502A, 504HD, 509HD, MVHN8AH and MVHN12AH. Supplied with 1 x 1/4” camera screw, removable anti-rotation pin with 1 x 1/4” camera screw and 2 x 3/8” camera screws.