Hot!! Smith &Wesson, J Frame, Square Butt Revolver Grips, Chiefs Special, Smooth and Opened Back,Hard Wood Thai Handmade and Ship from Thailand Condition: New Thai Handmade and Ship from Thailand Material: Hard Wood 1 Set = Right and Left side of grips with Screws Fit For Model: 34* (kit gun .22/.32, post 1960), 35* (post 1960), 36*, 37*, 38*, 49*, 51*, 640*, 649*, 650*, 651* *= There is both a round butt and square butt version for this model. So please determine whether your pistol is round or square butt.