Material:stainless steel ball, size:0.1--12.7mm,grade:G5-G1000 packing:bulk industries packig ... and small packing 1)bearing ball Material:Carbon steel ball, size:1.588--40.1mm,grade:G40-G1000Material:Chrome steel ball ... --G40Material: Stainless steel ball(304,316,316L,420,440,440C),Size:0.1--12.7mm,Grade:G5--G10002)packing:bulk industries packig ...