Steel Ball
Material:Carbon steel ball, size:1.588--40.1mm, grade:G40-G10000.1 Material:Chrome steel ball, size:7.144--15.875mm, grade:G16--G40 Material: Stainless steel ball(304, 316, 316L, 420, 440, 440C), Size:0.1--12.7mm, Grade:G5--G1000 surface:very shiny, ...