Solid Wire Solder 30/70 Tin-Lead, ½-Lb Spool

Shark Industries 12031 is a solid wire solder composed of 30 % tin and 70 % lead, packaged on a ½-lb spool with a 1/8-inch (0.125 in) diameter. It is intended for use with paste or liquid flux and is suitable for general, non-electrical soldering needs such as radiator repair and other maintenance tasks where high strength and solderability are required.