ECO4 (SNAG3CU0.5) FLUX B2.1 0,8 MM 500G by Broquetas is a lead free soldering wire, with Sn96,5Ag3Cu0,5 composition, and 0.8mm diameter with a 0.5kg weight. This wire is manufactured by Broquetas and is designed for soldering applications. It is perfect for electronic components and boards that need reliable, strong bond, such as wireless, navigation, and communication systems. This soldering wire comes with a flux core which ensures minimal oxidation in the soldering process. It is also halide, halide-free, and organic-free, which makes it an ideal choice for your needs.