The HIVIZ LITEWAVE sight design features an innovative, diagonal-wave design that increases durability to the protective exoskeleton and allows for more exposed surface area for the LITEPIPE to gather light from all angles, for the brightest sight available. Sight includes 3 LitePipes in red, green and white and a key to interchange the LitePipes. Front sight installation screw is included.FeaturesLITEWAVE interchangeable front sight Diagonal-wave design for increased durability and brightest sight Skeletonized sight bodyIncludes green, red and white LitePipesAll steel constructionLitePipe diameter 0.090Blade width 0.125 Fits: Ruger Mark I, II, III and IV steel bull barrel pistols; 22/45 with adjustable rear sight (does not fit 22/45 LITE); Single-Six revolvers with adjustable rear sight. Also fits Browning Buck Mark pistols (does not fit Challenge, 5.5 Target, and 5.5 Field)