Cigar Box Guitar Fretting Kit: Includes 6ft. Medium Fret Wire and Fretting Guide on CD Great way to get started with fretting your cigar box guitar Medium/Medium fret wire is perfect size for standard-scale CBGS (22"+ scale length) Six feet is more than enough for any 3+ string guitar; Comes in 8-inch straight lengths for ease of install CD Contains 39-page PDF with all of the info you need to make your first fret job a successful one! Fret Wire Size Specs: Crown Width: .084" (2.13mm) Crown Height: .039" (0.99mm) Tang Depth: .055" (1.40mm). Recommended Tang Width: .023"