This pipe cutter is designed to cut through pipes with a diameter ranging from 1/8" to 7/8" (3 - 22mm). It has a hardened steel blade and two flare groove rollers, which allow it to easily cut through a variety of materials including copper, brass, aluminium, and plastic pipes. Whether you are a professional plumber or a DIY enthusiast, this pipe cutter is a useful tool to have on hand for a variety of projects. Its compact size and durable construction make it a reliable choice for cutting pipes in tight spaces or on the job site.