# Tools

Our low profile aluminum understring radius gauges have a precision radiused top and bottom for accurate measurement. The slim shape allows you to take measurements of several radii without removing the strings on your guitar.
• Obtain accurate measurements of your instrument's fretboard radius using the bottom radius of the gauge. The bottom radius can also be used to set pickup polepiece height to the string radius.
• Use the top radius of this gauge to determine the proper height adjustment for the bridge saddles.
• The following gauges are included in this set: 7.25" 9.5" 10" 12" 14" 15" 16" 17" 20"
$14.00 Radius Gauges - 2 Gauges for 8 Radiuses Solid, high quality stainless steel radius gauges. Use during fingerboard/fret shaping to accurately measure your progress and eliminate mistakes. Can also be used when shaping a nut/saddle or when setting string radius at the bridge. Great for working on compound radius necks. This is an essential tool for a luthier/tech’s bench. • Gauge 1 has 7.25", 9.5", 10", and 12" radiuses • Gauge 2 has 14", 15", 16", and 20" radiuses • Set of 2$14.00
String Spacing Ruler - Steel
Get accurate string spacing without the use of complicated tools with this easy-to-use String Spacing Ruler. "Mark outer string locations with pencil lines (high and low E strings on guitars), usually about 1/8" in from fingerboard edges. Turn ruler over (use marked side). With wide spacing toward bass side, narrow spacing toward treble side, find group of marks (six for guitar) which best fit your two pencil lines. Use a razor knife or thin mechanical pencil to mark the string positions through the ruler's slots.
$19.95 Feeler Gauge - 20 Sizes Set of 20 feeler gauges to measure gap widths. Includes: • (.0015" / .04 mm) • (.002" / .05 mm) • (.0025" / .06 mm) • (.003" / .08 mm) • (.004" / .10 mm) • (.005" / .13 mm) • (.006" / .15 mm) • (.008" / .20 mm) • (.010" / .25 mm) • (.012" / .30 mm) • (.014" / .35 mm) • (.016" / .40 mm) • (.018" / .45 mm) • (.020" / .50 mm) • (.022" / .55 mm) • (.024" / .60 mm) • (.026" / .65 mm) • (.028" / .70 mm) • (.030" / .75 mm) • (.032" / .80 mm)$8.25
String Action Gauge - Measurement Tool
A stainless steel pocket-sized String Action Gauge that's perfect for obtaining quick and accurate action measurements for acoustic and electric instruments. A must have in a busy repair shop! Measurements taken using this gauge include:
• String height
• Nut height/slot depth
• Pickup pole piece height/string to pole piece distance
• Fret slot depth(unbound fingerboards only)

Plus more! The back includes a useful fraction/metric/decimal conversion chart that saves you time. Available in metric or in imperial models (sold individually)
$16.95 Notched Straightedge - 16.5" x 1.5", Stainless Steel, Satin The notched straight edge is a must have on any luthier’s bench for evaluating the straightness of your fret board while avoiding frets that may have seen better days.It’s made of satin stainless steel so cleaning off any markings made with a pencil is a breeze! One side is marked Long Scale Guitar for use with Fender, Martin, Gibson long scale guitars plus others. The opposite side is marked Short Scale Guitar for use with Gibson’s shorter scale as well as Dobro and PRS guitars plus others.$29.95
Solid, high quality stainless steel radius gauges, notched version. Use during fingerboard/fret shaping to accurately measure your progress and eliminate mistakes. Can also be used when shaping a nut/saddle or when setting string radius at the bridge. Great for working on compound radius necks. This is an essential tool for a luthier/tech’s bench.
Narrow gauges are used for measuring at the nut to the 7th fret, while the wide gauges are used for measuring at the 7th and higher numbered frets.
• Gauge 1+2 has 7.25", 9.5", 10", and 12" radiuses
• Gauge 3+4 has 14", 15", 16", and 20" radiuses
• Notched version great for taking measurements with strings on
• Set of 4
$29.95 Profiling Gauge - 150mm length 150mm length. Used to record the shape of a surface, which can then be used to trace a copy onto another surface. Needles are held firmly, which makes them easy to shape, but they remain in place when using to trace.$16.00
Nut Slotting Gauge - Digital
Digital Nut Slotting Gauge. Accurately measure the guitar string height over the first fret with the digital version of this handy luthier’s tool. Display measurements in inches or mm with an accuracy of 0.0005” (0.01 mm). Includes one 1.5V alkaline button cell battery and miniature Philips head screwdriver.
$66.95 Caliper - Digital, for Luthiers Electronic Digital Caliper. Uses one silver oxide battery 1.55V, type SR44 (included). LCD can be switched to display measurements in mm or inches. • Measuring Range: 0-150mm/0-6", 0-200mm/0-8" • Resolution: 0.01mm/0.0005" • Accuracy: • ±0.02mm/0.001" (<100mm) • ±0.03mm/0.001" (<100-200mm) • Repeatability: 0.01mm/0.0005" • Max Measuring Speed: 1.5m/sec, 60"/sec • Measuring System: Linear capacitive measuring system • Display: LCD Display • Power: One alakaline lithium button cell battery 1.5V, type LR44, 180mAh capacity • Working Temperature: 5°C - 40°C/41° - 104°F$44.95