CUT-50HF is a newly designed with the meter and adjustment attached to the front of the machine and the filter is located inside the machine. The new and improved model makes it more convenient and easier to use. New digitally controlled 20-50 amps Plasma Cutter Machine with advanced inverter technology and high cutting performance. Designed for portable repair work and small business project use, CUT-50HF Air Plasma Cutter cuts a thickness of 3/5 in., and the max severance thickness is 1.0 in.