... -50.8mm 3.Grade:G10-G1000 Product Name: stainless steel ball Specification1.Material:201,302,303,304,316,316L ... ,420,440,440C stainless steel2.Size:0.3-50.8mm3.Grade: G10, ... request6.Applications:all kinds of machines,hardware,bearing,wheel,caster slider,bicycles,thrust bearing,etc7.Transport:by ... :If you are interested in our stainless steel ball,pls feel free to contact me.