ZK-165 　 Rated Voltage 　230/120V 　Frequency 　50/60Hz 　Rated Input Power 　500W 　Wheel Size 　165mm 　No Load Speed 9000r/min 　Case Qty 　2pcs 　G.W/N.W 　15/10Kgs 　Packing Size 　48x27.7x47.5cm 　 We are Zhejiang Jinyi Electric Tools Co.,Ltd. in china.We supply electric tools,water pump,grinding wheel and air tools with good quality and low price. Please contact us to know details