The RL-1 Carbon Single & 3 Pin Slider Bow Sight represents the culmination of over 100 years of hunting and industry experience, and 24 months of design, research, and testing. The RL-1 features a full carbon bracket, offering you an ultralight slider bow sight that excels in any hunting environment. The tool-free and ultra-smooth wheel adjustment easily allows you to make precise range and field corrections. The RL-1 is purpose-built to contain every feature you need as a hunter in a lightweight package but rugged enough to endure whatever punishment you can throw at it. Features:.019 fiber optic pinsTool free locking adjustment knobPrecise Adjustment windage knobEnclosed fiber optic ringCustomizable and Removable quick acquisition RL sight ringAdjustable yardage pointerUltra-smooth wheel adjustmentBubble levelYardage Tape IncludedRheostat Light includedHousing OD: 50 mmHousing ID: 42mm44.5 mm Lens Capable Redline RL-1 Carbon 3-Pin Sight RL-008-3