Manufactured by Sievert, the 770339 copper piece is a durable component designed for precision tasks. It's primarily used in heating tools and soldering applications. This piece is valued for its high thermal conductivity and reliability. https://elecena.pl/product/28708185/sievert-770339-copper-piece-high-quality-electrolytic-copper 2025-05-17 https://elecena.pl/product/28708185/sievert-770339-copper-piece-high-quality-electrolytic-copper 2026-07-03