Dewalt DCG412B 20V MAX Lithium Ion 4-1/2" / 5" Grinder 

• 8,000 rpm motor offers high power for cutting and grinding applications
• Quick-Change Wheel Release offers tool free wheel changes without the need for a wrench
• Tool-free guard enables for quick and 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