are available in 6 character sizes, including 1/8", 1/4", 1/2", 3/4", 1" and 2". All Universal stencil cutters are built to U.S. Government specifications GG-S-747. These rotary magazine stencil cutters are designed for use with standard oilboard materials. For best results use .007" oilboard with the 1/8" machine and .010" or .015" oilboard with 1/4" and larger machines.