Cut perfect circles from 1" to 6" (2.5 to 15 cm) diameters in suitable cosplay materials. Center depth indicator shows blade progression for suitable material thickness up to 1/2" (13 mm). Features dual inch/metric rail, centering pin, magnetic blade slot, and clear acrylic safety dome. Always use scrap foamboard underlayment for best results. The Circle Cutter includes five blades. For use on various EVA foams with Cosplay Pros approved results. Find replacements blades here.