Alpha Fry AM31406 Cookson Elect 40/60 Electrical Rosin Core Solder The product is 4OZ .093 Elec Solder Easy to use The product is manufactured in China Spool electrical solder Idea for a range of general electrical work Tin, 40-percent, and lead, 60-percent, combination 460 degree Fahrenheit melting point Leaded rosin flux core, 0.093 Diameter