This 1.4" long ARRI Accessory Mount NATO Rail from SmallRig is a short, low-profile NATO rail that provides a quick release solution for accessories such as the SmallRig 2071 Articulating Arm and 1973 Quick Release NATO Clamp. It's designed to attach to ARRI-standard accessory mount patterns, which consist of a 3/8"-16 threaded hole and a safety pin slot on each side. This NATO rail comes with a matching flat head 3/8"-16 screw and features spring-loaded, anti-twist safety pins.