SmallRig Manfrotto 200PL Type Quick Release Plate for Select SmallRig Cages 2902. The middle hollow design does not block the locking screws at the bottom of the cage, which can be quickly released in 3 seconds(Internal test result). Cameras can be disassembled directly when the Manfrotto plate is installed, convenient for fast switching from the tripod. Attach to a cage with two 1/4"-20 Screws. The built-in rubber pads prevent scratching cages. Small and lightweight, only 26g.