Features: brand new and high quality Rust-proof Material: The fret rocker and notched straight edge are made of quality metal material, sturdy enough for your long term use and not easy to scratch your guitars. Keep the Guitar Neck Straight: The guitar straight edge, 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 them. Portable: It is designed to check guitar neck straightness of the fretboard and frets. Use to measure: Nut/ string/ bridge/ pickup pole piece/ saddle height plus saddle slot/ fret slot depths. Nice Gifts: These guitar luthiers tools are good gifts to guitarists to maintain and repair their instrument; Good tools for electric guitar, acoustic guitar, , banjo and folk guitar, etc. Guitar Maintain and Repair: You will get 1 piece guitar neck notched string measurement ruler. Perfect accurate action measurements for string instruments such as guitar, , mandolin, banjo, etc. Specifications: Material: Metal Color: As The Picture Shows Package Weight: approx.400g Size: approx.43.4x3.7x0.33cm/17.08x1.45x0.13in (More Size Details, Please See Photo.) Package Includes: 1Pc x Guitar Luthiers Tool note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!