Features of the 20V MAX lithium-ion 4-1/2" / 5" cut-off tool include: 7000 rpm (revolutions per minute) motor provides high power for cutting and grinding applications. Quick-Change wheel release allows for tool-free wheel changes without the need for a wrench. Tool-free guard allows for quick， easy guard adjustments/positioning. 2-finger trigger switch with lock-off button for convenient activation and easier gripping. 2-position side handle offers greater control， comfort， and versatility. Includes hex wrench， type 27 grinding guard， 2-position side handle， 5" x 1/4" T27 metal grinding wheel. Tool Only - battery and charger not included.