Check the listing for details. Two Gas Propane Forge Burners for Blacksmiths and Smelting by BURNCRAFT. Condition: New. Listed at 195.00 USD. This list includes two burners, each of which has a size 13,8 inch(approx.350mm) burner's nozzle diameter is 2 inch (approx.48.5mm) that part of the burner where the air enters has a size of 2.3 inch (approx. 58mm) The Burncraft burner comes with a precision cast steel head that draws in a lot of air thanks to precise proportions to create a very effective venturi effect. The burner burns so efficiently that it does not require forced air supply. The gas control valve and air control wheel allow you to accurately dial the desired mixture of air and gas and achieve the desired temperature results. The burner is designed so that all components are removable and replaceable. Spare parts are available upon request.You can watch the video how the burner works and is regulated, on the YouTube hosting, on request in the search "burncraft gas burner" Please remember to always check fittings for leaks every time you turn them on, especially before the first start. Work with burners and forges literally plays with fire, so please be careful and take all necessary safety measures. This lot including two power burners comes partially assembled, as you can see in the last photo.Please note that delivery to the islands and remote areas is discussed separately in each case.