This size three, type 730, CLA and Airco style welding and heating tip is made for use with oxyacetylene, fuel gas, propane, and natural gas. It has a steel thickness of 1/8 inches, an oxygen pressure of five PSI, a fuel pressure of five PSI, and an acetylene pressure of five PSI. It has an oxy-fuel flame type and is made for use with WH360 and WH730 welding handles.