SMALLRIG Baseplate with 1/4'' Mounting Screw for SMALLRIG VersaFrame Cage 1584 for Canon 5D MarkII/Mark III, 7D, 60D, 6D, Nikon D800, Medium-Sized DSLR - 1657 SMALLRIG BasePlate 1657 It's separated from VersaFrame Cage 1584, can be used for base plate.compatible with camera for Canon 5D MarkII/Mark III, 7D, 60D, 6D, camera for Nikon D800, and of course almost any medium-sized DSLR on the market. Material: Aluminum Alloy Net Weight: 50g