This is the top plate of SMALLRIG Cage(SONY A7S A7R A7) 1633.
If you already own the previous version SMALLRIG Cage(SONY A7S A7R A7) 1518 and want to upgrade it without buying a whole cage, you can just order this top plate.
Material: Aluminum Alloy
Net Weight: 80g
1x Top Plate(with hot shoe piece)
3x 1/4'' Screw
2x Hex Spanner