HHA Sports Optimizer Ultra Sight 3 Pin .019 / Left Hand Black LH. Includes sight tapes that allow you to sight in from 20-80 yards in 1 yard increments. Features tool free windage and elevation adjustments and mechanical rheostat to adjust pin brightness. 3 pin housing is 2" in diameter with 4.5 ft. of fiber optic. Accepts Lens Kit 35 and Blue Burst sight light (both sold separately). Package Contents: HHA Sports Optimizer Ultra Sight Black HHA Sports DS-3519 LH: Optimizer Ultra Sight 3519 3 Pin .019 / Left Hand Black