Kensight DAS 1911 Defense Adjustable Rear Sight Set Tritium Insert Night Sight w/ Blade Serrated Blade 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 1911 Defense Adjustable Rear Sight Set Tritium Insert Night Sight w/ 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 1911 Defense Adjustable Rear Sight Set Tritium Insert Night Sight w/ Blade Kensight 960-638: DAS 1911 Defense Adjustable Rear Sight Set Tritium Insert Night Sight w/ Blade Serrated Blade Black