For reducing expander ball friction in the case necks, the Forster Powdered Graphite for Case Graphiter is an excellent choice, often used by people who do reloading. This particular graphiter consists of three brushes that mount to the base and are capable of handling .22 to .35 caliber ammo. By moving the case graphiter up and down on a brush, you clean as well as lubricate the neck is done. As a result, both distortion and stretching are minimized. Included with this product is enough motor mica to process between 2,000 and 3,000 cases.