A new level of brass cleaning performance. Rotary tumbling with stainless steel media in a liquid bath gets brass much cleaner and faster than ultrasonic or vibratory methods. Large 7L capacity, tumble up to 1,000 cases of .223 brass. Noise dampening rubber lining. Includes stainless steel media pins and sample brass cleaning solution. Maintenance-free geared drivetrain (no belts to replace).