Description Take on a variety of grinding applications with the 4-1/2 in. (115mm) Small Angle Grinder with No Lock-On. Featuring an 11 Amp AC/DC motor built to deliver 11,000 rpm, this grinder removes material fast and helps professionals maximize productivity on tough jobsites.Next Generation 11 Amp AC/DC 11,000 rpm motor provides the best power to weight/size ratio availableDust Ejection System⢠provides durability by ejecting damaging dust and debris particles that enter the tool