9pc. set F-hole Stencil Templates for Cigar Box Guitar, Dulcimer, Violin, Ukulele & More - 4 classic shapes Allows you to quickly and accurately mark a range of F-hole styles and sizes Perfect for use on traditional instruments, violins, dulcimers, as well as homemade instruments and cigar box guitars! Includes Stradivarius, traditional, Renaissance-style and "heart" F-hole shapes These templates make it easy! Acrylic this thin is rather brittle, DO NOT BEND and treat these templates gently!