6.3mm Carbon Steel Ball AISI1010-AISI1015 Chrome Bearing Steel Ball for Nail Oil Polish, Bicycle Parts 1.019g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：6.28mm Carbon Steel Ball AISI1010-AISI1015 Chrome Bearing Steel Ball for Surgical, Bearing, Grinding Mine, Machine, Na 1.010g Next：6.33mm Carbon Steel Ball AISI1010-AISI1015 4mm/6mm/8mm/10mm/12mm Bulk Chrome Steel Balls for Bearing
