4-1/2″, angle grinder ac/dc, extra large paddle switch for easy operation, powerful 7.5a motor for heavy professional grinding applications, small circumference barrel grip for easy handling, labyrinth construction seals motor & bearings from contamination, rotatable gear housing can be positioned every 90 degrees for operator control, lock-on/off feature for continuous operation, ac/dc switch for use with alternative power sources, includes 4-1/2″ grinding wheel, lock nut wrench, lock nut, inner flange, wheel guard, side handle.