Designed for use with the RCBS Ultrasonic Case Cleaner the new Ultrasonic/Rotary case cleaning solution quickly removes tarnish carbon buildup and metal oxides for cartridge cases. The specialized formulation cleans brass cases inside and out including the primer pockets production a bright processional-grade finish. - Works with Rotary Style cleaners - Non-corrosive and Non-combustable making it safe and easy to use - One quart of concentrated solution makes 10 gallons of cleaning mix - Comes with a built in measuring cup for a precise pour