QLT By MARSHALLTOWN CC766 8-1/2-Inch Drywall Circle Cutter N/A Imported 8-1/2" Drywall Circle Cutter This product is highly durable This product is manufactured in China. Hardened cutter wheel and center pin will remain sharp indefinitely Cuts sharp clean circles of up to 16" in diameter with only one hand Measure accurately on the calibrated steel shaft