Aluminium cylinder head with cast iron cylinder gives added resistance to wear. Fitted with fully automatic pressure cut-out switch and twin gauges displaying tank and working pressures. Pump head directly coupled to heavy-duty universal motor for reliable and quiet operation. The benefits of oil free compressors include: easy maintenance, reduced noise levels, better efficiency, quieter when running and no oil contamination in the air supply. Lightweight unit with carry handle and built-in cable tidy for easy manoeuvrability.