Product details:

It's Dust Ejection System provides durability by ejecting damaging dust and debris particles that enter the tool. The oversized brushes provide 2X brush life over previous model (D28402) and the large spiral bevel gear provides long transmission life. the low profile gear case allows for access into tighter spaces. This grinder offers a One-Touch guard that allows for 360 degree rotation of the guard with a single action. The Quick-Change wheel release allows tool free wheel removal without need for a wrench. The No Lock-On Paddle switch lock-off provides the user protection from accidental start up. Matching wheel flanges allow the use of common accessories.