The Lyman 2500 Pro Magnum Case Tumbler is perfect for a high volume reloader. The massive 13" bowl has a two gallon capacity which is large enough to tumble 1000 38 Special cases with 7 lbs of media. 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. Bowl Capacity: 1000-38 Special cases Bowl Diameter: 13" Media Capacity: 1.75 Gallons Notes: Drive system has improved air flow for cooling and guaranteed longer motor lifeTumblers are not designed for tumbling loaded ammunition