Kensight DAS Adjustable U-Notch Tritium Pistol Night Sight Set w/ Serrated Blade Rear/Front Black. 076" tritium lamps. This sight set manufactured by the experts at Kensight fits certain model Springfield Armory Colt Wilson Combat STI International Les Baer Custom Rock River Arms Dan Wesson 1911s etc. The Kensight DAS 1911 Defense Adjustable Night Sight Rear Sight Set w/ Tritium Dot Insert & Recessed Blade will help keep targets in your line of sight. Specifications for Kensight DAS Adjustable U-Notch Tritium Pistol Night Sight Set w/ Serrated Blade: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Illumination Type: Tritium Package Contents: Kensight DAS Adjustable U-Notch Tritium Pistol Night Sight Set w/ Serrated Blade Kensight 960638: DAS Adjustable U-Notch Tritium Pistol Night Sight Set w/ Serrated Blade Rear/Front Black