This Kensight DAS (Defensive Adjustable Sight) Rear Night Sight is fully adjustable for both windage and elevation. This makes their sight a versatile sight upgrade for concealed carry, or duty pistols, that may also see use in competition or target shooting endeavors. The windage and elevation click-adjustments are positive and precise, allowing reliable and consistent POI (point of impact) adjustments on the fly.This Kensight Rear Night Sight is equipped with a partially serrated slanted blade for reduced glare, which incorporates two self-luminous Green Tritium Lamps nestled within two High Visibility White Dots for a 3-dot sight picture that's quick and easy to acquire. The combination of the Tritium, and White Dots, allow the sights to be equally useful in both low light, or daylight conditions.The Kensight DAS fits the popular Novak LoMount rear sight dovetail often found on many factory-produced and custom 1911 pistols.