Drywall sander with automatic vacuum system, New electric drywall sander with bag packing, dustless drywall Products parameter: Type: jz-3 Voltage: 110v-230v Frequency: 50hz Working diameter: 180mm Dust absorption rate: 98% Main shaft: m8 Instrument components: sander, suction machine, dust suckingconduit, dust collecting sleeve, braces, tube, trigeminal tool, and tool case. Product (cm) L52.0 W38.0 H31.0 0.061cbm Carton box (cm) N/a N/a N/a