Soldering tin 0.8mm 50G Solder wire with flux-filled core for smooth and reliable soldering in electronics, wiring, and precision mechanics. Suitable for both hobby users and professional work. Specification : Diameter: 0.8 mm Weight: 50 g Type: Core Wire / flux-cored solder wire Flux content: 2.0% Alloy: 63/37 (tin/lead) The classic 63/37 alloy provides a low melting point and creates clean, strong solder joints with excellent flow characteristics. The thin 0.8 mm diameter makes the solder especially suitable for electronics and precision work where accurate application is required.