The Makita® 1-inch AVT® Rotary Hammer, SDS-PLUS with 4-1/2-Inch Angle Grinder gives you 2 tools in one package. Use the rotary hammer to easily break through any material, and the angle grinder to smooth any rough edges. The Makita SDS-plus rotary hammer features an 8-Amp motor for power and performance. It delivers up to 2.1 foot-pounds of energy on every thrust for quickly and efficiently punching through your work.The tools integrated anti-vibration technology makes use of a built-in counterbalance, reducing the tools working vibration and movement to improve efficiency. A damper spring further reduces vibration by absorbing energy from each impact, improving the time you can use your electric rotary hammer without fatigue. The tool also features 3-mode functionality for versatility, and can rotate, hammer or both with the flip of a switch.