S1P-ZK-180 　 Rated Voltage 　120V 　Frequency 　50/60Hz 　Rated Input Power 　5.7A 　Wheel Size 　180mm 　No Load Speed 1100r/min 　Case Qty 　4pcs 　G.W/N.W 　14.7/15.3Kgs 　Packing Size 　51.7x41.2x26cm 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. If you have any query, Please contact us to know details.