Reusable Glass Etching Stencils, Lower Case Letters + How to Etch & Patterns CD Lower case letters, numbers & punctuation Reusable glass etching stencils Self stick, flexible & easy to use Can be used with etching cream or light sandblasting Actual letter dimensions: narrowest letter is almost 1/8" ; widest letter is almost 1/2" ; height varies roughly 3/8" to 1/2".