Completely rebuilt, the D28402 small angle grinder redefines durability. The 4.5-inch grinder offers increased power and a lightweight, compact size. The new 4-piece G55 motor has 50% more copper than other motors, and delivers the highest power-to-size ratio in its class. The Dust Ejection System and an innovative gearcase stand up to the most extreme environments. Other features include a one-piece brush arm and a quick-change wheel release. DeWalt Power Tools, 800-433-9258, .