Hex head grip screws are a smart way to avoid a screwdriver slipping and dinging your nice new grips. Sold in packs of 4.
Extreme Service hex head grip screws, blue, 4 pack
Challis hex drive grip screw bushing, set of 4, blued. Includes 4) bushing o-rings and 8) grip o-rings
Extreme Service 1911 trigger, short, silver