ITEM NAME:6in1 Guitar Fretboard Radius Gauge Steel Ruler Neck Kit Setup Measurings OZ.Get a correct radius of fretboard quickly and easily. Ruler size: 200mm x 24mm (Approx.). 6 different radii: 7-1/4", 9-1/2", 10", 12", 14", 16" 0.20mm step string action gauge. Made of stainless steel.
