Item Name: Bass Electric Steel Pitch Luthier Acoustic String Action Guitar Ruler Gauge. DescriptionRuler size: 8.9 * 5.1cm / 3.5 * 2in (length * width)Scale for bridge saddle slot depth: 0-0.875in / 0-20mmScale for nuts saddles and polepieces: 0-0.75in / 0-20mmRuler weight: 24g / 1.1ozWith conversion chart of string action at 12th fret printed on one sideWith scale for string height, for ridge saddle slot depth and for nuts saddles and polepiecesLong lasting etched printing, the printing will not wear off from long useSuitable for string instruments such as guitar, bass, mandolin, banjo, etc.Scale for string height: 0.01-0.14in / 0.25-3.50mmUnit: mm / inMaterial: Stainless steelIncluded:1 X String Action Ruler
