The MILWAUKEE® M12 FUEL™ 1/4'' Straight Die Grinder 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 the frustrations of hoses and compressors.