Ready to add to your luthier tool box is a set of 2 steel radius gauges. These measure the radius of a guitar or bass fretboard right over the strings so you don’t have to remove them. Also fine for measuring without strings and handy for measuring a nut or bridge radius as well. Standard measurements of 7.25″, 9.5″, 10″, 12″, 14″, 15″, 16″, and 20″. Keep them in your toolbox or hang over your work bench. Not just for luthiers, if you sell guitars even part time you will want a set of these, buyers want to know the fretboard radius and we know because we get this question all the time from our customers. See our shop for more luthier tools and new and used guitar parts added daily.