EXEL Cool Hand 1911 Full Size G10 Slim Grips, 3/16 Thin, Big Scoop, Ambi Safety Cut, OPS Texture, These Grips Only Work with Short Bushings 1. CNC machined from strong durable non slippery G10. 2. These grips fit 1911 Full Size (Government) with slim bushing. 3. Meas. between two center holes: 3 1/16", thickness: 3/16". 4. Ops texture, very aggressive. 5. If the current grips on your 1911 are with a standard thickness , about 1/4". Then make sure you are aware that you would need a set of short bushing and a set of short screws