Hogue's S&W K or L Frame Square Butt Monogrip is made from Pau Ferro Wood. Hogue fancy hardwood grip are in a class of their own and are acclaimed by many as the finest handgun stocks available. Not only are these grips attractive but true to Hogue form-they are extremely functional. All Hogue hardwood grips are precision inlet on modern computerized machinery (CNC) then hand finished on actual factory frames, assuring a proper fit. Finally, the finish is hand polished to a non-slippery sheen using natural Carnauba wax which will not crack and peel like cheap sprayed on finishes.