These cutters are extremely precise and easy to use. They make very very clean cuts eliminating needle tools and eliminating any edge clean up. Easier to keep track of in studio with included storage ring. They are "Made In USA" and facricated from eco-friendly biodegradable material.
Cutter should be lubricated with slip before use to prevent clay from sticking.
Measurements are approxiate 36mm or 1 1/2inch