SPS & SPF series, fully adjustable sight set for Kimber semi-automatic 1911 pistols with fixed sights. Precision CNC milled from Bar-stock, Fits the existing dovetail slot without milling. Compact low profile with Micrometric adjustment for windage and elevation provided by hardened click screws Allen wrench and adjustment screwdriver included. Works on all Kimber models with the Kimber fixed sight cut. This is an excellent upgrade to the fixed sight pistols, helping you “Zero-In” your point of impact.