Redline RL-3 3 Pin Bow Sight - The RL-3 3 pin bow sight is as simple and dependable as a bow sight gets. This bomb-proof value of a multi-pin micro-adjustment bow sight is constructed to be lethal, extremely lightweight, and able to survive whatever you can throw at it. For those of you seeking the ultimate micro-pin bow sight at an incredible value, the RL-3 is it. .019in fiber optic pin Tool-free locking adjustment knob Precise micro-adjustment windage and elevation Enclosed fiber optic ring 3 mounting points Bubble level Quick acquisition RL sight ring Rheostat Light included Housing OD: 54 mm Housing ID: 44mm 48 mm Lens Capable