Milwaukee's next-generation M12 FUEL 1/4 in. straight die grinders are rated 0.5 HP and 20,000 RPM, with a standard model (kit $379) and an extended model with a 4 in. longer shaft ($249 bare).
Milwaukee's second-generation M18 FUEL SURGE 1/4 in. hex hydraulic driver claims up to 50 percent less noise than a standard impact driver, 1,000 in-lbs of torque, and a 4.3 in. body. Kit 2761-22 is $349.
