... :18+1YFD0.18/215,0.2/175,0.25/110;3/235,4/190,6/120MD20 5.5:1 8+1 Y ... .18/240,0.2/195,0.25/125;3/260,4/215,6/135 MD30 5.2:1 8+1 Y ... +1 Y FD 0.3/195,0.35/145,0.4/110;10/215,12/160,15/120MD50 5.2:1 8 ... +1 Y FD 0.35/275,0.4/210,0.5/135;12/300,15/230,20/150MD60 ... Y FD 0.45/195,0.5/155,0.6/110;18/215,20/170,30/1208+1 pcs precision ball ...