SmallRig Baseplate for Blackmagic Design Pocket Cinema Camera 4K & 6K (Manfrotto 501PL Compatible) DBM2266B is a dedicated baseplate that provides 15mm rail support at 85mm rod height. It is designed to work with SmallRig Cage 2203 and CVB2254. On the top is Manfrotto compatible QR plate and receiver, where the cage can be quickly mounted. On the middle is 15mm rail clamp for SmallRig 15mm Rods 1053, where accessories like SmallRig Shoulder Pad Kit 2077, SmallRig Lens Support 2152, Matte Box, follow focus and SmallRig Shoulder Rig Handle Kit 998 can be attached. It comes with an integrated ARRI dovetail on the bottom which can directly mount to SmallRig ARRI Standard Dovetail Plate 1463. Additionally, there are multiple 1/4 and 3/8 threaded holes on the bottom of the baseplate so other tripod plates could be attached.