The Ryobi D620H 5/8 inch Variable Speed Corded Reversible Hammer Drill is a powerful and versatile tool perfect for various home and workshop projects. With a maximum torque of 330 in-lbs and a 5/8 inch chuck size, this hammer drill is designed for efficient and precise drilling. The corded electric power source ensures consistent and reliable performance, while the lithium-ion battery technology delivers reliable power without the need for constant recharging. Whether you're drilling into concrete or wood, this Ryobi hammer drill is a reliable choice for any DIY enthusiast or professional contractor.