Guitar Neck Notched Straight Edge Neck Ruler Dual Scale Fret Tools for Luthiers Features: The guitar neck notched straight edge features dual scale, made of durable stainless steel. It works well with most guitars, special for electric guitars, ideal tool for checking the straightness and flat of the guitar fretboard and frets. It is a necessary operation before you begin a performance. Great for checking guitar neck straightness and flat of the fretboard and frets. Dual scale design works well with the most guitar, especially suits for guitar. Notched straight edge design, convenient to use. Made of high-quality stainless steel, sturdy enough for your long-term use. Practical tool for a guitar player, it will help you achieve better performance. Type:Fret Scale Size:420 mm * 37 mm * 2 mm / 16.54" X 1.46" X 0.16" Color:Silver Material:Stainless steel Package Include: 1x Guitar Neck Straight Edge