Cool Hand 1911 G10 Grips, Full Size(Government/Commander), Free Screws Included, Ridges Texture, Big Scoop, Ambi Safety Cut, Red/Black 1. Free screws: 4 screws, 4 o rings,T10 Torx keys included. 2. CNC machined from non slippery G10. 3. Measurement between two center holes: 3 1/16", thickness: 1/4". 4. These grips fit most 1911 Full Size(Government) on the market. 5. Ridges texture, mild aggressive.