Single valve handle mainly for smaller burners. The spindle and valve are designed to give a very exact and quick flame setting.The spring loaded metal knob gives a precise and stable setting for the finest of flames. All metal parts made of high quality brass. Ergonomically designed plastic composite handle. Double moulded soft grip for the highest comfort and usability. FITTED WITH– 5mm tail and 4M hose with a 3524 cyclone burner and HFV Burner diameter 19mm Gas consumption g/h at 2 Bar 240 Effect kW 3,1 Soft soldering about 400 oc Max pipe diameter 50mm Brazing up to 720 oc Max pipe diameter 18mm Exact flame setting that works in all weather conditions 3524 Cyclone burner fitted Double moulded soft grip handle High quality Brass used ideal for Gold and Silver Forging Fully interchangeable with the PRO range.