For copper, brass, aluminum, thin-walled steel pipes, as well as plastic coated pipes,Ideal for working in confined spaces, e.g. parallel-running pipes. Key Feature For copper, brass, aluminum, thin-walled steel pipes, as well as plastic coated pipes Ideal for working in confined spaces, e.g. parallel-running pipes Stable chain with 15 mini cutter wheels, two-step adjustment, chrome plated with plastic covered handles