The GU 15B is designed as a long-life version with maintenance-free motor for continuous use. The housing is made of continuous cast aluminum. Large, heavy mounting flanges are used, which ensures high concentricity of the wheel. The grinding attachment is with a graphite overlay; prevents friction and heat. The fence allows fast and convenient grinding of workpieces. The brush guard housing can be swiveled and has exhaust ports for connecting an exhaust system. The multi-purpose wire brush is made of high-strength steel wire.