TruGlo True Sight Extreme Pro Sight: * Based on the original award-winning Tru-Site Xtreme Series * Unique stainless steel tube pin design for increased durability and brightness * Tru-Touch soft-feel technical coating * 0.019" fiber optic pins * Large circular field of view * Aperture has 2" inner diameter * Ultra-strong/lightweight construction * Level is illuminated by luminescent tape * Adjustable 2nd and 3rd axis level with 2 vertical bars * CNC-machined * Reversible bracket for greater vertical adjustability * Markings for windage, elevation and pin adjustments * Includes adjustable rheostat light to reduce unwanted pin glare * Adjustable for left- and right-handed shooters