Kensight Kimber Fixed Rear Sight Black. S. Patent #D447205S. This sight set is the tritium version of the Kimber fixed rear sight designed to give you maximum visibility in well-lit and low-lit conditions. The rear blade is partially serrated and has two Green tritium dots on each side of the notch that are 0.076in diameter with a thick white outline. The entire sight is wire-EDM cut from a single block of 4140 steel. Distinctive grasping serrations are also wire-EDM cut into the sides of the sight. Fits all Kimber 1911 autos with factory-supplied fixed sights. This will not fit any Kimber cut with an existing adjustable rear sight. Specifications for Kensight Kimber Fixed Rear Sight: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Front Blade Height: 0.16 in Illumination Type: Tritium Mount Type: Dovetail Package Contents: Kensight Kimber Fixed Rear Sight Kensight 970-222: Kimber Fixed Rear Sight Black