Sig Sauer X-Ray Sight Set, Square Notch #8 Rear/#6 Front Md: SOX10001 Upgrade Your Factory Sight Set With New Sig Sauer XRAY Sights. This 3-Dot Tritium System Has a Superior Glowing Illumination In Low-Light And remains Bright And White For Daylight conditions. Steel surrounds The Tritium Sights And gives Them Protection From Recoil And protects From Cleaning solvents And The Harsh elements. Whether You Carry For Work Or For Sport, These X-Ray3 Tritium Sights Will Be Bright For Over a Decade And The Tested Design Of The X-Ray3 Will Stay at Max Performance. This Sight Set features a #8 Rear Sight With a #6 Front Sight ideally For 45 ACP And 40 S&W Pistols. Manufacturer: Sig Sauer Manufacturer Number: SOX10001 Upc: 798681524709