Whether you need to make an opening for a light fixture or a pipe, you are assured a sharp, clean cut with the drywall circle cutters, offered in our MARSHALLTOWN brand or Wal-Board Tools brand. Both feature a hardened cutter wheel and center pin that will remain sharp indefinitely. Measurements come easy and accurate with the calibrated steel shaft. The heat-treated scoring blade can cut circles up to 16 in (406 mm) in Dia, easily and accurately. The Wal-Board Tools circle cutter is made in the USA with global materials.