Pachmayr 03250 Gripper Grips, S&W J Frame Square Butt Made from rubber compound optimized for Control and Recoil absorption Shim tape and instructions for a custom fit can be acquired by calling Lyman Products customer service at 860-632-2020 Slight palm swell for comfort Fits S&W J frame square butt Checkered appearance Checkering Finger Grooves Palm swell Covered backstrap