The M18 FUEL Collated Screw Gun (M18FSGC-0) has maximum speed, features AUTO START functionality and delivers longer run time than other cordless competitors. The POWERSTATE Brushless motor spins at 4,500 RPM’s resulting in faster productivity. With REDLINK PLUS Intelligence, MILWAUKEE's AUTO START feature automatically starts the motor on contact with drywall providing less noise between screws and longer run time. REDLITHIUM™ 5.0Ah batteries (sold separately) power the M18FSGC-0 to deliver up to 64 sheets on one charge. The M18 FUEL Collated Screw Gun delivers the balance and weight desired by professionals for all day use.