【Professional luthier tools Set】this luthier tool set including understring radius gauges,and double side string action ruler and feeler gauge metric.
【Under String Radius Guages】 Stainless steel material,comes in 9 sizes: 7.25" 9.5" 10" 12" 14" 15" 16" 17" 20" . Can be used to accurately measure fret board radius, saddle radius nut radius from either the top or the bottom radius surface
【String Action Gauge Ruler】pocket-sized, double sided, combine a lot of info on a tool,marked metric and Imperial scale to measure string height, bridge saddle height, saddle slot depth, pickup polepiece height, fret slot depth and nut height
【Foldable Feeler Gauge】made of stainless steel,it is with 32 blades thickness;It can measure the clearance of fret and fret board, the height of pickup and strings, nut slot depth, uneven fret board etc.Noticethere is some anti-rust oil on the feeler gauge to prevent it from rusty, please don't worry about that
【Excellent After-sales Service】Two days fast shipping,Just shop with confidence !Don't like it after receive,simply send it back and get your refund