Futaba Electric Guitar Measuring Ruler Guitar String  (1 Strings)

Material: Stainless steel Unit: mm / in Size: Approx. 85 x 54mm /3.3"x 2.1"(L*W) Features: With scale for string height, for ridge saddle slot depth and for nuts saddles and pole pieces With conversion chart of string action at 12th fret printed on one side Fraction/Decimal/ Metric conversion chart on back Can be used to measure: String height; Bridge saddle height; Saddle slot depth Fret slot depth (unbound fingerboards); Nut height; Pickup pole piece height Long lasting etched printing, the printing will not wear off from long use Suitable for string instruments such as guitar, bass, mandolin, banjo, etc.