• Attaches to the rear of your riser for more stability and inertia • 7-piece unit has two fully adjustable pivoting knuckles with 38 tiny interlocking metal teeth that mate with 38 teeth on the 2 upper AND 2 lower arm connections • Every joint on the V-bar has 76 metal teeth • Two end knuckles are Quick Disconnects with Black Nitrided steel pins • A simple half turn will quickly remove your rods for storage • Middle bracket is machined to attach to the REAR of your bow • Calibration marks are on each joint, so you can micro adjust them