The DEWALT DWE402W 4-1/2" Small Angle Grinder with Wheel features an 11 Amp, 11,000 RPM motor which is designed for faster material removal and higher overload protection. The Dust Ejection System provides durability by ejecting damaging dust and debris particles that enter the tool through the air intake vents. It has a low profile gear case allows access into tight spaces, along with a Quick-Change wheel release that allows tool free wheel removal without the need for a wrench. A One-Touch Guard allows for 360 degree rotation of the guard with a single action, and a paddle switch with safety lock-off prevents accidental start up. The matching wheel flanges allow the use of common accessories.