Cool Hand 1911 Slim G10 Grips, Full Size(Government/Commander), Magwell Cut, 3/16 Thin, 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 with slim bushing and magwell. 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