6.38mm AISI1010-AISI1015 Carbon Steel Material Balls and G10-G100 Percision Steel Ball 1.059g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre:1.054G Wholesale 6.37mm Solid Carbon Steel Bearing Balls for Polishing and Milling Machineries AISI1010-AISI1015 Next:Carbon Steel Ball AISI1010-AISI1015 6.39mm Steel Ball 0.251 Inch Steel Ball Carbon Steel Ball for Overseas Market 1.064G