Kensight KCS Countored Base Tritium Pistol Night Sight Kimber Rear/Front Black. 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. REAR SIGHT TECHNICAL INFORMATION Material: 4140 Chrome Moly Steel Blade Type: Partially serrated with two Green tritium dots (0.076in diameter) Sight Dovetail: Kimber Fixed Rear Sight Cut Dovetail Dimensions: 0.350'' (Width) x 65degrees (Angle) x 0.100'' (Depth) This sight set comes with a matching front sight equipped with a 0.118wide blade in either flat base or contour base options. Compatible with Novak type front sight dovetail cuts (0.330'' x 65 Degree x 0.075'') as typically found on both customized and factory 1911 pistols. FRONT SIGHT TECHNICAL INFORMATION Material: 4140 Chrome Moly Steel Blade Type: Smooth Green Tritium Dot (0.076'' in diameter) Blade Height: 0.160'' Blade Width: 0.118'' Sight Base: Flat or contoured Sight Dovetail: Novak Type Dovetail Dimensions: 0.330'' (Width) x 65degrees (Angle) x 0.075'' (Depth) GUNSMITH INSTALLATION RECOMMENDED Authentic Kensight Sights - The Professional's Choice This is an authentic Kensight sight and not to be confused with other brands. When it comes to durability and features the Kensight sights far exceedcompetitors.sights are Wire-EDM machined from a single billet of 4140 chrome-moly steel. The result is a precision sight built with better materials and the Wire-EDM construction ensures the tightest tolerances possible. This translates to ultra-smooth adjustments audible clicks for both windage and elevation and consistent dovetail dimensions in which the ''industry standard'' CNC construction cannot compete. Backed by Limited Lifetime Warranty Kensight 1911 sights are premium quality and the first choice for factory-fit OEM manufactures competition shooters and professional's worldwide. Specifications for Kensight KCS Countored Base Tritium Pistol Night Sight: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Front Sight Color: Green Rear Sight Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Front Blade Height: 0.160 in 0.16 in Illumination Type: Tritium Mount Type: Dovetail Package Contents: Kensight KCS Countored Base Tritium Pistol Night Sight Kensight 970222: KCS Countored Base Tritium Pistol Night Sight Kimber Rear/Front Black