Quick Release Adapter: Metal construction, precision forging processing, very fine anode surface treatment. The bottom comes with a 1/4-3/8" adapter screw, can be widely applied to various professional tripods monopod. This Aluminium Clamp Adapter with Quick Release Plate compatible most ballhead gives you the freedom to remove the camera from the head without detaching it from the plate and put it on any other Acra-Swiss Style Systems. Can be used with tripod, rail, stabilizer and different devices, for Photography Fast switching between different devices without replaceing the quick release assembly. Specification: Item Size: 85x50 x20mmL * W * H Quick release plate size: 60 x 38 x 10mm L * W * H Material: Aluminum alloy Specification: StableL-shape bracket,Made of durable aluminum alloy Two metal brackets connected with a different style, the bracket can be opened, can change the direction of combination 1/4" hand screws all have 1/4" screw hole at the bottom, support extensions It has various ways of combination and various structures, can suit for almost all the cameras and flashes Applicable to the press conference, wedding, show field portrait, the activities of the scene assisted shooting Can be used with TTL line, wireless TTL flash . Specification: MaterialAluminum alloy Height: 6.46 inch / 16.4 cm Width: 1.18 inch / 3 cm Thickness: 0.20 inch / 0.5 cm Color: Black Package Includes: 1Piece X Quick Release Adapter 1Piece x Quick Release Plate 1 Piece x 1/4 - 3/8" Screw AdapterWithout monopod 1PiecexDual L-shaped Flash Bracket