M18™ ½" Hammer Drill Driver with Milwaukee ® 4-Pole Frameless Motor delivers 550 in-lbs of peak torque, 0-450/0-1,700 RPM, & 29,000 BPM. M18™ ¼” Hex Compact Impact Driver featuring a Milwaukee® Designed Impact Mechanism for 1,400 in-lbs of torque. DPM™ - Digital Power Management: Overload protection prevents damage to the tool and battery in abusive situations. Compatibility: Works with M18™ XC High Capacity LITHIUM-ION Batteries and M18™ Compact LITHIUM-ION Batteries