Guitar Set Up Tool Combo. 5mm + 4mm Ball End, Martin, Takamine Truss Rod Wrenches and String Action Gauge

Two Wrenches, 5mm and 4mm Ball End Guitar Truss Rod Wrenches & String Action Gauge Combo 5mm Ball End guitar truss rod wrench for Martin Guitar Fits Martin USA, Takamine and most Asian truss rods Long handle for leverage 12.5cm x 7.5cm Professional-Grade satin finish stainless steel. Extra long to allow easy Sound hole access. Ball end allows adjustment at an angle – No need to remove strings. Pocket-size stainless steel rule and set up gauge. The best way to get measurements on acoustic and electric instruments. Includes a progressive string height scale, slide it across the frets and read the measurement under the string. Stays parallel to the fingerboard for easy and more accurate measuring. String height Bridge saddle height Saddle slot depth Fret slot depth (unbound fingerboards) Nut height Pickup pole piece height. A must have for all guitarists! Gauge to measure string height, bridge saddle height, saddle slot depth, pickup pole piece height, fret slot depth and nut height. Stainless Steel Rule for electric guitar, bass and acoustic guitar and any stringed instrument. Both mm and inch measurement. See images for full scales. Progressive string height scale, slide across the frets and read the measurement under the string. Back of the gauge has a handy fractional/decimal/metric conversion chart. Great all round ruler/gauge with multiple uses. 85.5mm x 54.0mm. A must for all guitarists and hundreds of uses around the home or workshop!