ONE GC Electronics 10-4202 2 fl.oz. bottle of liquid solder flux.Brush onto electrical connections for smooth, easy soldering. Completely non-corrosive liquid solder flux consisting of a solution of special rosin inalcohol. Contains no traces of acids orchlorides and is completely safe to use on eventhe most delicate electronic equipment. RoHS compliant and Lead Free. MSDS available at gcelectronics website. Visit our store for other radio accessories. International shipping not available on this item.