Cordless grinder/cut-off tool. 20 V MAX. Lithium-ion battery. 5/8 inch spindle thread. Spindle lock. 10000 RPM use wheels RPM above. 6500/7000 RPM motor provides high power for cutting and grinding applications. 4-1/2 or 5 inch wheel diameter. Includes DCG412 grinder tool, hex wrench, type-27 grinding guard, 2-position side handle and 5 x 1/4 inch T27 metal grinding wheel. 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.