... clutch ball bearing7.excellent line lay oscillation system8.aluminum machine cut handle9 aluminum rottor10 aluminum body JM SERIES ITEMGEAR RATIOBALL BEARINGOWCF ... ,0.20/220,0.25/140,4/270,6/140,8/110 13*12*8JM835;1;11-8YF,R 0.20 ... .25/160,0.30/100,6/210,8/150,10/110 14*13.5*8.6JM845;1;11-8YF,R 0.30 ... /100,10/200,12/150,15/110 14*13.5*8.6JM854;9;11-8YF,R 0.40/180,0.45 ...