M12 FUEL 12-Volt Lithium-Ion Brushless Cordless 1/4 in. Straight Die Grinder Kit with Two 2.0 Ah BatteriesThe MILWAUKEE M12 FUEL 1 4" Straight Die Grinder Kit is designed to replace pneumatic die grinders. The die grinder provides users with up to . 3 HP performance to outperform pneumatic die grinders by 20%. The M12 inline die grinder features 3 Mode RPM control and a responsive variable speed trigger providing users with unmatched control with their most common accessories. The cordless die grinder gives users greater access and mobility, eliminating