Feature:1. This luthier tool has a guitar neck notched straight edge and a fret rocker string height gauge for fretboard measurement.2. The notched straight side of the neck ruler makes it an ideal tool to ensure the straightness of the guitar string.3. Also, both the two measurement tool promises accurate measuring, thus largely making the adjustment and crafting much easier.4. Made of high quality stainless steel, these tool is very strong, wearresisitant and durable for longterm use.5. Suits for electric guitar, acoustic guitar, bass, mandolin, banjo, folk guitar, electric box guitar, etc.Specification:Item Type: Guitar Neck Ruler SetProduct Material: Stainless SteelGuitar Neck Notched Straight Edge Size: Approx. 43 x 3.5cm / 16.9 x 1.4inFret Rocker String Height Gauge Size: Approx. 10.4 x 5.5cm / 4.1 x 2.2in.Package List:1 x Guitar Neck Ruler1 x Guitar Fret Height Guage