Complete, heavy-duty cutting outfit cuts up to 3/4″ and welds up to 1/2″. Built-in replaceable reverse flow check valves and flashback arrestors. Durable cutting attachment and cutting tip ensure high performance. Comes with MFA heating nozzle and welding nozzles. ESS4 Series regulator. Twenty-inch T-grade hose. Soft-sided shade 5 goggles keep eyes safe on the job.