The Milwaukee 5518-21 SDS MAX Corded Rotary Hammer is a powerful and durable tool designed for various drilling tasks. With a 1-3/4" chuck size, it is compatible with a wide range of bits and provides a secure grip for chisel locks. The quick release function and variable speed control ensure precise and efficient drilling, while the corded electric power source ensures reliable performance. Backed by a 5-year manufacturer warranty, this rotary hammer is a reliable choice for professional and DIY projects alike.