Factory-Reconditioned Milwaukee 6122-830 10 Amp Trigger Switch Small Angle Grinder with Lock-On Button, 4.5-Inch 10.0 Amp, 1250 MWO motor provides high overload protection and power for difficult applications 25 Percent longer-lasting epoxy protection extends motor life by protecting the copper wire from abrasion Multi-port exhaust reduces motor burn-up by efficiently venting hot air out of the grinder Tool-free, burst-resistant guard - the only grinder in its class with a tool free guard This factory-reconditioned model is the same as the new model 6122-30