Model 9404 is a 100mm x 610mm (4" x 24") Belt Sander. It is equipped with Speed Adjusting Dial for getting optimum belt speed to suit various work piece. Equipped with auto tracking belt system. User benefits: Variable speed control. High power for stock removal. Flat top for inverted applications. Dust bag. Long cable for sanding runs. Technical specifications: Belt Size - 100 x 610 mm. Noise sound pressure - 85 dB(A). Noise sound power - 96 dB(A). Noise K factor - 3 dB(A). Power rating - 1010 w. Belt Speed - 210 - 440 m/min. Vibration K factor - 1.5 m/sec. Vibration: Sanding - 2.5 m/sec. Net weight - 4.7 kg.