Milwaukee M18 cordless lithium-ion hammer drills are ergonomically designed, compact, and powerful. These industry-leading hammer drills are also up to 20 percent faster in concrete than the competition! Milwaukee M18 drills are the only hammer drill/drivers in their class with an all-metal gear case, providing maximum durability for heavy-duty applications. Digital power management provides overload protection to prevent damage to the drills and battery from abusive use. Their high-capacity Redlithium batteries keep the power flowing and their all-metal ratcheting chuck is super-durable and provides maximum bit retention. Each Milwaukee M18 cordless lithium-ion hammer drill comes with two Redlithium batteries, a charger, and a kitbox.