Hogue 40310 Wood Grips Pau Ferro, Smith & Wesson Full 9/40 Fits: Smith & Wesson full size 9mm or .40 caliber. Models 5903, 5904, 5906, 5944, 5946, 5943, 4006, 4096, 410, 411, 910, 915, etc Hogue wood grips are made from Pau ferro wood. Looks like dark walnut Carnauba wax which will not crack and peel like cheap, sprayed-on finishes