Picatinny PRO clamp – used for mounting the optical sensor on rifles, shotguns, pistols, crossbows, etc. equipped with a Picatinny rail. The clamp has a ball joint, which enables a tilted installation of the SCATT optical sensor relative to the gun's barrel. This clamp is perfectly suited for live-fire practice. The clamp itself and the ball joint can both be tightened with a 2.5mm Hex Key (Allen Wrench).