1. Precise Measurement: Includes 1 x guitar neck measuring ruler, 1 string ruler, and a fiber cleaning cloth (20 x 20 cm). Provides accurate measurements for guitar, bass, mandolin, banjo, and more. 2. Sturdy and Durable Notched guitar neck straight ruler made of stainless steel. Dualscale design, suitable for most electric guitars, especially (75 inches) and (25.5 inches). 3. Versatile Use: Plastic ruler, doublesided with fraction, decimal, and metric conversion charts. Measures string height, bridge saddle height, nut slot depth, fret slot depth, and nut height. 4. Neck Straightness Check The notched string measuring ruler is designed to check the straightness of the guitar neck, fretboard, and frets. The ruler measures nut, string, bridge, pickup pole, saddle height, nut slot, and fret slot depths. 5. Additional Cleaning Cloth: Comes with a 20 x 20 cm fiber cleaning cloth for easy maintenance of the stainless steel ruler.