Armanov Index Cam Bearing Block. Compatible with the current model Dillon Precision XL-650 progressive reloading press. This is a premium upgrade that smooths the action for the index cam and removes the need for grease on the index pawl. It replaces the steel block that causes friction and drag. Included is one aluminum bearing block with a sealed ball bearing. Made from aircraft grade aluminum. Anodized in blue color. Made with precision on a CNC in the Europe.