The 1911 Government model auto is about as rugged as a mountain mule, but when you take the grips off to polish and reblue the critter or put on another set of grips, chances are that at least one of the stock screws will need replacing. Standard Stock Screws - Nicely made and finished, these special-sized, blued screws are packed in sets of 4 Screws. Stainless Steel (S/S) Stock Screws - Look "right" on stainless steel and nickel-plated guns. Mfg: Brownells SPECS: Standard - Blued steel. Screws - .150"-50. Stainless Steel (S/S) - .150"-50 thread.