This is a complete template set for a Martin 12 fret Dred. The template is set up with forward shifted bracing location pre 1937. The template allows you to plot bracing.The halos allow you to use them when clamping to assure proper placement and then to use them to make the notches in the kerfed lining for perfect placement and center. The templates are done on CNC and will work with my molds. We also carry template sets for most all Martin sizes. This is lng scale 25.4. The item "Blues Creek Guitars 12 fret Dred Bracing template and Halo set" is in sale since Friday, January 26, 2018. This item is in the category "Musical Instruments & Gear\Guitars & Basses\Guitar Building & Luthier Supplies". The seller is "tippie53" and is located in Hegins, Pennsylvania. This item can be shipped worldwide.