The PQL-6010-AG is the perfect option to replace and upgrade the nut on your Gibson electric guitar from 2014 or earlier. 18" Radius. We have "aged" the look of this nut to match the vintage look of your guitar. The 6011 nut (post 2014) is slightly taller. When in doubt, chosse the 6011, you can always sand the bottom of the nut to adjust lower.