The Turbo Roofing Kits feature a heavy-duty burner ideal for drying, bitumen laying and detail work on roofs, roadworks and other heat demanding applications like preheating before weldings, melting snow and ice etc. The kit comes complete with hose and a hose failure valve. The burner and steel neck-tube are fixed to the handle and are not interchangeable. Burner Diameter: 60mm.Heat Input: 114 kW.