Ed Brown Products Grip Screw Bushings 1911 Slim Grip 4 Pieces Blue. Supplied as a set of four. The slim versions require slim grips and slim screws. Specifications for Ed Brown Products 1911 Grip Screw Bushing Set: Manufacturer: Ed Brown Products Fabric/Material: Tool Steel Gun Model: 1911 Condition: New Package Contents: Ed Brown Products 1911 Grip Screw Bushing Set What firearm models does the manufacturer say Ed Brown Products 1911 Grip Screw Bushing Set is compatible with? The manufacturer suggests that Ed Brown Products 1911 Grip Screw Bushing Set is compatible with 1911Ed Brown Products 813-SLIM: Grip Screw Bushings 1911 Slim Grip 4 Pieces Blue