Hogue 29300 Wood Grips Pau Ferro, Smith & Wesson N Frame Square Butt Fits: Smith & Wesson n frame square butt. Models 23, 25, 27, 28, 29, 57, 58, 624, 626, 629, 657, and .44 classic hunter Hogue wood grips are made from Pau ferro wood Looks like dark walnut