The Premium Roofer's Holder is a three-in-one set that is a very helpful tool for zinc-workers and roofers. This very handy set includes very essential tools such as a container, brush, salmiak stones and many more. The salmiak stone is used to clean the soldering iron tips of the roofer. The container in the set is used for holding the chosen flux. A special holder is also included to hold the flux pot cap. The brush is used to apply the flux on the metal parts in preparation for assembling.