The G10 grips are made to look like natural wood grips in color and figure. They are checkered in a 18 lpi double-diamond-pattern to provide excellent grip and handling. Flush-cut bottom for use with magwell if desired; and are not cut for ambidextrous safeties. The Standard are approximate .250" thick. Mfg: Ed Brown Specs: G10 laminate - wood grain color/patterns will vary. Fits full-size 1911 Government and Commander. Not cut for ambidextrous safety. Standard - Approximately A 1/4" (6.8mm) thick, 1.4 oz. (39g) wt. Requires slim bushings and screws, available separately.