SMALLRIG 2484 LOW PROFILE NATO RAIL 90MMIt is 90mm long, compatible with NATO accessories such as clamps, handles and monitor holders, enabling you to quick attach and release the rig components ###split### Only 6mm thick Fixed to your camera rig by two 1 4 20 screws. The safety pins on both ends prevents accessories from accidentally sliding off. Package Includes 1 x NATO Rail 2 x 1 4 Screw 1 x Hex Spanner