If you are not very good at cutting circles, why not try this Circle Cutter from We R Makers. This small tool cuts perfect circles from 4 to 12 inches every time! The sharp blade locks in place, making the cuts more precise. This circle cutter comes with measurements in both inches and centimeters, from 4L to 12 inches and from 10 cm to 32 cm. This tool includes multiple blades with a convenient built-in storage compartment.