... tool 2.CE,ROHS 3.Japan import bearing 4.Low heat 5.Low noise,low vibration JSDANingbo JSDA Electronic Industry Co.,Ltd ... tool2.CE,ROHS3.Quick change grind head without tool4.Low heat,low noise,low vibration5.Compact,exquisiteCertificated Approval :CE, ROHS, PATENTContact ...