The Weller T0051402099 WSW Solder Wire is designed to enhance the quality of all soldering jobs, increases productivity, and optimizes the users soldering performance. With a guaranteed 100% continuous flux core, combined with pure first metal melting, WSW enables long-term, highly durable solder joints.

• Higher-strength due to nickel compared to other silver-free alloys
• Very fast wetting even on difficult surfaces, as dirty and oxidized materials