3 Pieces Guitar Neck Notched Straight Ruler Stainless Steel Fret Rocker Description: Guitar Luthier Tool : included 1 piece guitar neck notched string measurement ruler, 1 piece string action ruler and fret rocker string height gauge and 1 piece guitar fret rocker leveling tool, satisfy your needs easily. Material: Made of stainless steel, sturdy enough for your long term use and not easy to scratch your guitars. Keep the guitar neck straight: the guitar straight ruler, fret leveling tool and the guitar string ruler help you to measure if the surface of the fingerboard is straight and check the final height after you've redressed or replaced Wide usages: the string action ruler helps to measure bridge slot, the height of the string, nut and pickup polepiece, even the depth of the fret slot; The notched straight ruler helps to check if each fretboard is in the same level, the fret rocker can check if frets on the same level. Nice gifts: these guitar luthier tools are good gifts to guitar technicians and guitarists, Good for electric guitar, acoustic guitar, bass, banjo and folk guitar, etc. Specifications: Material: Stainless steel Size Chart: package size: 20cmx10cmx1cm/7.87inchx3.94inchx0.39inch Package Includes: 1 Fret Rocker 1 Guitar Neck Notched Straight Luthiers Tool 1 String Action Gauge Ruler