Sievert Pro 86 Jewellers Gas Blow Torch Kit – Precision Flame for Gold and Silver Work The Sievert Pro 86 Jewellers Gas Blow Torch Kit – Precision Flame for Gold & Silvert is a professional-grade tool, specifically designed for lead welding, goldsmithing, and silversmithing. Featuring a needle-point burner for an ultra-fine flame, this blow torch provides precise heat control, making it perfect for delicate tasks in jewelry making and welding. With a maximum temperature of 615C, it offers reliable performance for silver, gold, and lead work. The kit includes an 8842 needle-point burner, 3501 neck tube, 3486 handle, 4-meter hose, and a 0.5-4 bar propane gas regulator