Crafted of the same highly effective Sims shock-absorbing NAVCOM material used to tame the excess energy of todays high-speed compound bows, the LimbSaver Recoil Pad uses Decay Time Modification engineering to reduce recoil shock and vibration by up to 50% over standard recoil pads. The Grind-to-Fit Recoil Pad is made to grind down to perfectly match your firearm with a custom look fit and feel while ensuring maximum protection and relief from recoil. Available: Small (4-13/16 x 1-13/18grindable to 3-7/8 x 1-11/32) Medium (5-3/32 x 1-13/16grindable to 4-1/4 x 1-5/16) Large (5-9/16 x 2-1/16grindable to 4-7/16 x 1-19/32)Because of manufacturers stock deviations, the screw-in pads are not a guaranteed fit and might require some adjusting. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Recoil Pads.