... electrical soldering,soldering pen,Plux pen Feature: Designs for easier soldering of tab wire to solar cells. Superior fluxing ability.Flux flows smoothly ... (50-77°F).Discription: For better soldering, the choise of an appropriate Flux is as important as the choice of ... use.Net Contents: 10ml 2012 hot sellingRosin Flux PEN for DIY Solar cells Panels, for electrical soldering,soldering pen,Plux pen