Matweld Rods Brazing M15 3mm delivers reliable bronze brazing for workshops and professional applications. This general-purpose bronze alloy is un-fluxed and ideal for joining steel, cast iron, copper, and brass. Each 6-pack contains 3mm rods engineered for consistent, quality results. Use with universal brazing flux for optimal performance. Built to handle demanding local conditions with lasting durability and efficiency, whether you're tackling DIY projects or professional work.