Aven 17530 Soldering Stand with Soft Coiled Tip Cleaner Sturdy heavy duty stand with built in tip cleaner Replaceable Soft Coiled Brass Tip Cleaner Keeps tip temperature constant NOTE :The cups are specially designed into this way; the indentation part are used for cleaning the iron tips when there is too much iron waste on them Users can rub the tip against the dented part to clean it