WALTER 30A153 - 5" Super 5 PS GrinderThe Super 5 PS allows you to grind, cut, sand, finish and clean at a much faster and smoother rate. Furthermore, rest assured that when you hold the Super 5 PS, you are holding the safest grinder thanks to Soft Start, Powerguard, a safety clutch and a safety restart that prevents the tool from starting on its own after a power interruption. The Super 5 PS also comes with a paddle switch and a mechanical brake which stops the grinder within 2 seconds