Smith & Wesson, N Frame Square Butt Opened Back Revolver Grips Diamond&checkered Hard Wood, Thai Handmade Condition: New Thai Handmade Material: Hard wood 1 Set = Right and Left side of grips with Screws, Please Note: These grips are reproduction work NOT Authentic factory grip. Fit for Model: 20, 21, 23, 24, 25*, 26, 27, 28, 29*, 57, 58, 520*, 610*, 624, .44 Classic Hunter *= There is both a round butt and square butt version for this model. So please determine whether your pistol is round or square butt.