Solder Wire, Form Flux-Cored Wire, Material Composition 96.5 Percent Tin, 3 Percent Silver, 0.5 Percent Copper, Wire Diameter 0.04 in, Weight 0.6 oz, Melting Temperature (Minimum) 419 Degrees F, Melting Temperature (Maximum) 424 Degrees F, Flux Type Rosin, Flux Classification ROL0, Application Lead Free Rework and Repair, Portable SAC 305 Alloy, Container Type Tube, Features Lead Free, Type ROL0 Flux per IPC J-STD-004, Flux Requirement Contains Flux Core, Spool Length 125 in