Extra long, fully protected wrapped fibers. Durable stainless steel tube pins protect fibers. Unique dual end fiber design allows for increased pin brightness and compact size. Ultra fine click adjustment for windage and elevation. Tool-less design. Adjustable level has 2 vertical bars. Reversible bracket for greater vertical adjustability. Laser markings for windage, elevation and pin adjustments. Large circular field of view. Aperture has 2″ inner diameter. Glow in the dark shooter’s ring. Adjustable for left and right handed users. Micro push button light included.