Ed Brown Products Beavertail Grip Safety Installation Jig 1911 Stainless Steel. This heat-treated tool slips into the frame through the thumb safety hole and allows you to make the .250 radius cut on each side of the frame perfect the first time even if you only have simple hand tools to work with. The buttons screw together and hold themselves on the gun for easy installation. It is perfect for gauging as well as fine finishing and has great value as a reusable professional tool. Complete installation instructions included. Specifications for Ed Brown Products 1911 Beavertail Grip Safety Installation Jig: Manufacturer: Ed Brown Products Color: Stainless Steel Fabric/Material: Tool Steel Gun Model: 1911 Package Contents: Ed Brown Products 1911 Beavertail Grip Safety Installation Jig What firearm models does the manufacturer say Ed Brown Products 1911 Beavertail Grip Safety Installation Jig is compatible with? The manufacturer suggests that Ed Brown Products 1911 Beavertail Grip Safety Installation Jig is compatible with 1911Ed Brown Products 886: Beavertail Grip Safety Installation Jig 1911 Stainless Steel