Alpha Fry AT-31604 60-40 Rosin Core Solder (4 Ounces) Product Description This spool of American Terminal AT-31604 Solder contains 4 ounces of 1/16" solder with a leaded rosin flux core. The 60% tin, 40% lead combination is perfect for jobs like fine electrical soldering which requiring lower melt temperatures. AlphaFry is the company that produces the product, Alphametals is the brand on the roll of solder. From the Manufacturer 60/40 Electrical Rosin Core Solder AM31604. Features Fine electrical soldering 60-Percent tin and 40-percent lead 376 Degree F melting point 0.062 Diameter. 4-Ounce Made in Mexico USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.