Guitar String Action Gauge For Acoustic and Bass

This pocket-size stainless steel rule has become a luthier's favorite in busy shops. It’s the best way yet to get vital measurements on acoustic and electric instruments.
– String height
– Bridge saddle height
– Saddle slot depth
– Fret slot depth (unbound fingerboards)
– Nut height
– Pickup polepiece height

Specification:

• An indispensable universal tool for all stringed instruments
• Allows precise measurements for setting up, adjusting and measuring string spacing, string height action, truss rod adjustments, pickup height, and much more
• System of measurements: metric and standard
• Ruler size (L x W): 8.9 cm x 5.1 cm (3.5″ x 2″)
• Area of use (instruments): electric-, bass- and acoustic guitar
• Units: millimetres and inches (mm/”)
• Scale for string height action: 0.01″ – 0.14″ / 0.25 mm – 3.50 mm
• Scale for saddle recess depth: 0 – 0.875″ / 0 – 20 mm
• Scale for saddles: 0 – 0.75″ / 0 – 20 mm
• Material: Stainless steel
• Dimensions: 90 x 50 mm
• Weight: 21 g