1.high quality cast iron,stron,everlasting 2.safety ,reliable 3.moving easily 4.high quality fiber strengthen grinding flat Characters:1.both the body and base use high quality cast iron,strong and everlasting;2.the handle can match for special swi tch,safety and reliable.3.there are wheels on base which can moving easily,and using bolts fasten the base enbale working more reliable.4.using high ...