Strike Industries 1911 " SLIMLINE " BLACK Zinc TORX Grip Screws Strike Industries 4 Torx BLACK ZINC "SLIMLINE" 1911 Grip Screws 4 Slim Screws for Slim Grips *** Should be used with the SLIM BUSHINGS (sold separately) For US 1911's with the Colt Thread pattern. BLACK Zinc SLIMLINE for "SLIM GRIPS" We are AUTHORIZED DEALERS - Not for Officers model Not for Paraordinance or foreign 1911's that don't follow the US pattern. Please ask if you are unsure