1/16 diameter high quality silver solder wire with a melting temperature of 430 degrees. The Stay-Clean Flux works well with most low temperature solders. The flux cannot be shp'd via post office since it is considered to be flammable! Silver Solder 20 feet (3oz)Stay Clean Flux (4 oz.) Use the pull-down below to select item. You may change the quantity in the shopping cart during the checkout process.