Night Fision Perfect Dot Night Sight Set w/Front Square Rear Yellow Front w/Green Tritium Black Rear w/Green T Fits Sig Sauer 9mm & .357 P-Series. The industry-leading tritium content of Night Fision Sights gives you such a great night sight picture that you won't need to ever replace it. The Perfect Dot of the Night Fision Sig Sauer Pistol Sight provides maximum visibility both day and night. The patented Perfect Dot eliminates the need for focusing wires that can break or wear away. A tough polymer tritium body gives you a great shooting surface that is glare free and incredibly durable. A white front ring lets you use your night sight in both day and night settings. Night Fision has built the tritium of the Night Fision Perfect Dot Sights Set Square Rear Sig Sauer durable and highly visible in all lighting conditions. The tritium content of Night Fision Perfect Dot Night Sights Set Square Rear Sig Sauer is an incredibly bright aiming point that will last the test of time. Night Fision is a leading supplier of premium quality shooting accessories. Gun owners rely on Night Fision for their high quality shooting accessories. Specifications for Night Fision Perfect Dot Night Sight Set Square Rear Sig Sauer: Manufacturer: Night Fision Color: Black Sight Style: OEM Height Square-Notch Illumination Type: Tritium Finish: Polymer Features of Night Fision Perfect Dot Night Sights: Perfect Dot Night Sights with added daytime florescence. Brightest Tritium Night Sights on the market. CNC Machined out of high quality 4140 steel. Black Nitride coating used to improve wear and corrosion resistance. Installation: Contact Professional Gunsmith Maximum nighttime visibility through the use of tritium self-powered illumination. Brighter than leading competitors through use of 30percent more tritium. Scientifically engineered colorants in the Perfect Dot provide optimal visibility in daylight. Unparalleled durability. Innovative Perfect Dot provides a consistent brilliant outline that won't flake chip or wear over time. Square Rear Package Contents: Night Fision Perfect Dot Night Sight Set w/Front Square Rear Pistol Sights Night Fision SIG-177-003-YGZG: Perfect Dot Night Sight Set w/Front Square Rear Yellow Front w/Green Tritium Black Rear w/Green T Fits Sig Sauer 9mm & .357 P-Series Pistols with #8