Harris Products Group Stay Brite lead-free solid wire solder kit POP is engineered to provide a strong, ductile connections on copper, brass, steel and stainless steel. The silver color is also a good color match to stainless steel. It is a eutectic filler metal with a single melting temperature. This low temperature, rapid melting characteristic promotes capillary flow and less base metal distortion and oxidation. It conforms to NSF/ANI Standard 51 for food service equipment, NSF/ANSI Standard 61 for Drinking Water System Components - health effects and NSF/ANSI 372 for Drinking Water System Components - Lead Content & the US Safe Drinking Water Act amendments. Complies with the EU RoHS directive. The kit includes 3/64 in. (1.2 mm) x 1/2 oz. rosin core solder wire and 1/2 fl.oz. (.0148 L) Stay-Clean Liquid soldering & Tinning Flux. Conveniently packaged for point-of-purchase display.