Bosch GBG 60-20 Professional Information The Bosch GBG 60-20 Professional is a powerful and versatile bench grinder that can be used for a variety of grinding, deburring, and sharpening tasks. It features a powerful 600 W induction motor that provides smooth and consistent power delivery, even under heavy loads. The motor is also maintenance-free, so you won't have to worry about replacing brushes or bearings. The GBG 60-20 has a robust die-cast aluminum housing that is dust-proof and water-resistant, making it ideal for use in harsh environments. The housing also features encapsulated ball bearings that help to keep the motor running smoothly and prevent it from overheating. The grinder has two 100 mm (4") grinding wheels that can be used for a variety of applications. The wheels are made from high-quality resin bonded abrasives that provide a long service life. The wheels can be adjusted to different angles to allow for a variety of grinding and sharpening tasks.