Sievert 3511 Bent 70mm Gas Blow Torch Neck Tube The Sievert 3511 Bent 70mm Gas Blow Torch Neck Tube is a precision-engineered component ideal for smaller heating applications such as gold and silver work. This durable brass neck tube connects Sievert Pro burners to compatible torch handles, offering superior control and precision for close-up heating tasks. Designed for reliability and efficiency, it is perfect for professionals requiring accuracy in intricate heating applications. Key Features Precision Heating: Designed for smaller heating applications like gold and silver work. Durable Construction: Made from high-quality brass for extended durability and performance. Bent Neck Design: