General description Model 9911 is a new compact belt sander that utilizes a 76mm x 457mm (3"x18") abrasive belt. It offers the highest capacity for sanding and dust collection in its class, along with variable speed control to meet the operator's needs. Technical specifications Belt Size: 76 x 457 mm Noise sound pressure: 83 dB(A) Noise sound power: 94 dB(A) Noise K factor: 3 dB(A) Input wattage: 650 W Belt Speed: 75 - 270 m/min Vibration K factor: 1.5 m/sec² Vibration (Sanding): 2.5 m/sec² Net weight: 2.6 kg