The Lyman 2500 Pro Magnum Case Tumbler is perfect for a high volume reloader. The time tested and proven, heavy duty motor now has features which improve the air flow to the motor. This improved circulation increases the amount of cooling on the motor allowing extending the life of the motor. The 2500 comes with a massive bowl which has a two gallon capacity, large enough to tumble 1000 38 Special cases while holding 7 lbs of media.