The Supreme sight features convenient tool-less Micro windage and elevation adjustments, (4) .015" Lightening Fire fiber optic stainless steel rods, 1-3/4" fully CNC-machined aluminum housing, Fixed plate design with built in drop for more elevation adjustment and Bubble level with 2nd axis adjustment. All parts are CNC-machined and hand fit to exact tolerances. Includes rheostat light. Ambidextrous.