Factory-Reconditioned Bosch 1347A-46 4-1/2-Inch Angle Grinder Reconditioned Bosch Products have a One-year warranty through the Bosch factory or an authorized service center 6 Amps, 11,000 RPM Lock-on/off switch - for extended use applications ServiceMinder brushes eliminate guesswork, stopping the tool when preventive maintenance is required 5/8-inch-11 spindle offers wide flexibility for mounting most popular accessories