The M18 FUEL™ ONE-KEY™ Power Pack 2A includes the M18 FUEL™ 13mm Hammer Drill with ONE-KEY™ (M18ONEPD-0) and the M18 FUEL™ ¼” Hex Impact Driver with ONE-KEY™ (M18ONEID-0). The Hammer Drill is the Most Powerful 18-volt cordless hammer drill on the market, delivering 1,200 in-lbs of peak torque and up to 2,000 RPM, providing faster drilling speed under heavy load to increase productivity. The M18 FUEL™ 1/4” Hex Impact Driver is the Most Powerful Impact Driver in its class at 1800 in-lbs of fastening torque. M18 FUEL™ features the most advanced cordless technology available; a POWERSTATE™ Brushless Motor, REDLINK PLUS™ Electronic Intelligence and REDLITHIUM™ Battery Technology, resulting in longer motor life, more run time and more power. Both tools are ONE-KEY™ enabled, allowing users to wirelessly connect to the tool with a smart phone to provide unlimited customization and control of the tool’s performance. The ONE-KEY™ Mobile app features predetermined set-ups for specific fasteners and materials, or provides complete control over output speed and power to customize the tool for the specific application at hand. Once the desired output performance is reached, the custom profile is then saved to the memory of the tool and the connection to the smart phone is no longer necessary. The tool’s memory supports up to 4 custom profiles that can be easily accessed with the touch of a button on the tool. Your custom profiles are also saved in the cloud so that they can be accessed at any time.