*Our quick-adjust Rheostat Cover dims fiber optic pins from starbursting in direct sunlight and brightens them when in the shade. *A Crosshair that works extremely well in hunting blinds and other situations when there is low light on your scope and bright light on your target. *A torque indicator on the front of the scope to help identify if your bow is canted to one side or another. *A strong TCS Connector for use with AXCEL®Sights or a 10-32 rod for use with other sight brands *CCT CoPlanar Centering Technology-Aiming ring at same depth as sight pins, designed for greater accuracy when viewed slightly off-center *Solid, Visible Level with Made in America quality *31MM (1-3/8") Inside Diameter with tons of optional add-on possibilities like lenses, sunshields, and torque indicators that can be purchased separately