Stainless Steel Ball 1.Material: stainless steel 2.Size: 0.3-50.8mm 3.Grade:G10-G1000 Product Name: stainless steel ball1.Material ... ,304,316,316L,420,440,440C stainless steel2.Size:0.3-50.8mm3.Grade: G10, G40, G60, G100, G200, G500, G10004 ... me. 6.35 dia. stainless steel ball for caster wheel, roller, bicycle