Mercer Millenia pizza cutters will get the job done time and time again. Made with a quality stain free steel, these cutters are a great tool to slice up a perfect piece of pizza. The edges of the blade are precision ground to be as sharp as a razor. This helps the blade effortlessly cut through slice after slice. The system which was created for the wheel to spin is smooth, making the blade cut faster and easier. Plus it is easily removed to replace. - Steel Blade - Diameter 4 in - Sold Per Each