Sword Trident CompetitionSight 1 Pin .010 RH. Has a 1.5" inside diameter round aperture that accepts a 1.75" lens. Features a solid steel machined vertical pin. Gang adjustable windage and micro adjust elevation with 3.5" of travel. Has 3rd axis adjustment. Includes LED sight light 6"dovetail bar mounting system preprinted yardage tapes and a carrying case. Package Contents: Sword Trident CompetitionSight Constructed of 100 percent CNC T6061 aluminum. Has a 1.5 inside diameter round aperture that accepts a 1.75 lens. Features a solid steel machined vertical pin. Gang adjustable windage and micro adjust elevation with 3.5 of travel. Has 3rd axis adjustment. Includes LED sight light 6dovetail bar mounting system preprinted yardage tapes and a carrying case.