The Mepro Tru-Dot provide the most reliable illumination day or night. Mepro Tru- Dot fixed sights feature an extremely bright 3 bright white dot for fast accurate target acquisition in the daytime. Both rear and front tritium sources will appear green during lowlight and no light scenarios providing the upmost confidence for you to make hits when it counts . Select SKUs may be available with yellow or orange front tritium in lieu of the green. Premium Swiss-made tritium vials in the front and rear sights allow for low light and no light conditions. The square notch on the rear sight naturally directs your eyes to the top of the front sight. Mepro Tru-Dot sight sets are engineered as a direct upgrade to your factory sights and are designed to fit all holsters. The Mepro Tru-Dot family is drop-proof, shock-proof, and built for endless abuse or anything you can throw at it. Their ultralight steel construction features a snag-free design making it easy to quickly draw your weapon. Fits Sig Sauer P-Series 9mm/357 Sig-Dovetail #8 Front/#8 Rear.