SHUBB C4 - 7,25 Radius capo NickelSHUBB C4 7,25 Radius Capo Nickel CAPO Classical Nikkel7. 25 inch radiusFits certain vintage electrics, notably some Teles and Strats,but most electric guitars do NOT have this extreme radius, and should use our model 1. fretboard radius is the whole story on this model! There seems to be a persistent myth that all electric guitars have a more extreme radius to the fretboard than acoustic guitars. In fact, only a very few do. Most electric guitars have