A "quick" reloading tip to improve the performance of your standard steel sizing die. In this simple process I show you how to polish your expander ball and make the actual neck expansion process much smoother. This process can be performed on any die manufacture, including Lee dies in which the expander is "built in" to the decapping rod saving on costs. Simply polish the widest are that contacts the case mouth and you will be in business. Hope you enjoyed this reloading tip, stay tuned for more.