Valmark made high quality welding and brazing rods with alloys exceeding industry standards. For use when when you are not sure about the type of steel. Excellent for carbon steels and unknown steels. 98.7% Fe iron 0.3% Cu copper 0.2% Zn zinc 0.04 Mo molybdenum 0.8% Remainder are combined traces of other elements, including carbon and manganese. 1/8": 85-110 amps AC-DC reverse polarity. A full box is roughly 10 lbs Price is for 17 rods which is roughly 1 lb.