Tru-Glo Brite-Site Xtreme 3 Pin Sight: * Aperture has 2" inner diameter * Lightweight composite pin guard * Glow-in-Dark shooter"s ring helps align peep sight * Level with 2 vertical bars * CNC machined * Adjustable for left- and right-handed shooters * Markings for elevation and windage * Comes with 3 pins (0.029" diameter) * Model# TG500XB