Foamwerks foam board circle cutter is specially designed for use with Foam Core and foamboard products. Cuts perfect circles from 1 to 6" in diameter. Center depth indicator shows blade progression for board depths from 1/8 to 1/2". Other features include dual inch/metric rail, centering pin, magnetic blade slot, and clear acrylic safety dome. Includes illustrated instruction guide and 5 Style A replacement blades. Foamwerks circle cutters are made in the USA.