TruGlo Rite-Site XS 5 Pin 5x.019 Diameter, Black - TG3515BWith a unique pin design to increase brightness, ultra-lightweight CNC-machined aluminum construction, a removable rheostat light, and large aperture for an improved sight picture, the Rite-Site XS packs big features at a cost that won't break the bank- Unique pin design increases brightness.br- Large circular field of view.br- Aperture has 2" inner diameter.br- Ultra-durable construction.br- Ultra-strong, lightweight pin guard.br- Glow-in-the-dark shooter's ring.br- Level with two vertical bars.br- Markings for elevation and windage.br- Adjustable for left and right-handed shooters.