Sievert Portable Soldering Iron Demonstration

Sievert Portable Soldering Irons, and all types and brands of soldering irons, devices, solder, flux, and other soldering supplies specifically targeted to roofing and construction applications, are available at the Slate Roof Warehouse (www.slateroofw...)

[@pedrodelgadillo1989]

hey friend I just bought a small torch sievert a question the small block that looks like soap and that you smear on the tip what is it for and where can I grab it