Hand-filling grips help absorb recoil by spreading the shock over a wider area of the hand. Finger groove models for semi-autos tighten the grip upward, into the triggerguard for better recoil control. All wood grips are cut from imported, select grades of hardwood. Molded rubber grips cushion recoil. Non-slip, pebble finish. 1911 Auto checkered grips are Double Diamond pattern. Mfg: Hogue SPECS: Model designations abbreviated as follows. Checkered (CH); Finger Grooves (FG); Goncalo Alves (GA); Pau Ferro (PF); Rubber (RU); Slabs (SL); Smooth (SM).