Custom Fretslot template Guitar - up to 27" (685,8mm)
Amazon.com: Guitar Fretboard Diagram Notebook: 150 Page Guitar Neck Diagrams Templates Journal Notebook, Full 24 Fret Diagram Guitar Notebook, Music Paper Notebook for Students, Teachers and Musicians: 9798431563959: Publ., 1Guitar: Books
Maximum Guitar Works Fret Slotting Templates
Amazon.com: 25-inch GEN2 Fretting Scale Marking Template for Guitars - Popular Scale used on National(TM) and Paul Reed Smith(TM) Guitars : Musical Instruments