Features
1. Perfect for obtaining accurate action measurements for electric guitar, bass and acoustic guitar
2. With scale to measure string height, bridge saddle height, saddle slot depth, pickup polepiece height, fret slot depth and nut height
3. Useful conversions, long lasting etched printing
4. Pocket-sized, a lot of info on a tool of this size
5. From inch fractions, to inch decimals, to metric in increments

Specifications
Material: Stainless Steel
Color: As the pictures show you
Application: electric guitar, bass and acoustic guitar Unit: mm/ in
Scale for string height: 0.01-0.14in / 0.25-3.50mm
Scale for bridge saddle slot depth: 0-0.875in / 0-20mm
Scale for nuts saddles and polepieces: 0-0.75in / 0-20mm
Ruler size: 8.9 * 5.1cm / 3.5 * 2in (length * width)
Ruler weight: 23g / 0.8oz

Package including
1 x String action ruler

Attention:
String Action Ruler Gauge Tool was sold by Co-link should be packed in a bag with Co-link logo, otherwise, they are fake.