Lyman 7631550 Cyclone Rotary Tumbler Great value: includes media sifter and 5lbs of stainless steel tumbling media Large capacity: holds up to 1000 pieces of 223 brass Less noise: features rubber lining to protect brass and reduce noise Better results: cleans better than Vibratory Tumbler designs Built in timer in the base can run from 0 to 3 hours