The RCBS Rotary Case Cleaner features a motor-driven drum system operating at 60 RPM for thorough and efficient brass case cleaning with 240V AC power.RCBS Rotary Case Cleaner with motor-driven drum60 RPM rotation speed for optimal cleaning action240V AC power for reliable motor operationQuieter operation compared to most case cleaning systemsEasy to handle and operate for consistent resultsIdeal for reloaders who demand clean polished brass cases with minimal effort and noise delivering professional cleaning results for all your cartridge preparation needs.