The DCG412P2 20 V Max Lithium-Ion grinder tool kit increases productivity with features like Quick-Change wheel release, convenient trigger switch with lock-off button and extended runtime battery.Tool-free guard allows for quick and easy guard adjustments/positioningTwo-position side handle offers greater control, comfort and versatilityPower to grindQuick-Change wheel release allows tool-free wheel removal without the need for a wrenchTwo-finger trigger switch allows for convenient activation and easier gripping