The B-20N unit is a pneumatic belt sander developed by Nitto Kohki Deutschland. It has a belt size of 20 x 520 mm and a weight of 1.2 kg. This sander can operate with a motor free speed of 17.000 min-1 rpm. Without having loads, it can consume air up to 0.52 m³/min. Accessories include 2.5mm Hex. Wrench Key and 4mm Hex. Wrench Key.