Powerful Belt Sander for fast material removal: Model 9404 is equipped with Speed Adjusting Dial for getting optimum belt speed to suit various work pieces. Equipped with auto tracking belt system. Belt size for Model 9404: 100mm x 610mm (4″ x 24″). | TECHNICAL SPECIFICATIONS: Maximum Output Power: 1010 W | Belt Speed: 210 – 440 m/min | Belt Size: 100 x 610 mm | Sound Power Level (LWA): 96 dB(A) | Sound Pressure Level (LpA): 85 dB(A) | Noise Uncertainty (K Factor): 3 dB(A) | Vibration Level (3 axes): ? 2.5 m/s? | Vibration Uncertainty (K Factor): 1.5 m/s? | Weight without Cable (EPTA Procedure 01/2003): 4.8 kg | Product Dimensions (L x W x H): 334 x 143 x 157 mm | Vacuum cleaner connection ? in/out: 25/31 mm