CBE Trek 2V Vertical Pin Sight 2 Pin .019 LH Double Fiber Optic dots built into a slim single up pin;Lightweight design featuring multi-positioning mounting holes;12? of fiber optic management system;Machined aluminum construction for added durability;Hybrid elevation adjustment with dead stop for top pin;Micro windage adjustment with laser engraved marks;Adjustable 1st, 2nd, and 3rd axis;Lock down knob & multiple mounting positions for elevation & windage adjustments;Interchangeable peep alignment rings, Green, Red, Yellow, and Grey included;Set up two floating pins with multiple indicator pointers;Laser engraved aluminum sight yardage scales;Rheostat sight light included