Cordless Cut-Off Tool Kit, Series: XR, 4-1/2 in Wheel Dia, 5/8-11, 7000 rpm, 20 V, Li-Ion Battery Ty Tool free guard allows for quick, easy guard adjustments/positioning 2-position side-handle offers greater control, comfort & versatility Quick-Change™ wheel release allows for tool-free wheel changes without the need for a wrench Power to grind Two-finger trigger switch with lock-off button allows for convenient activation and easier gripping