... :2mm-60m Bearing steel ball Production nameG28,G40,G100-G1000 high precision bearing steel balls size2MM-60MMGradeG28,G40,G80,G100,G200 ... -10001/16”~1”25.4025.4050.80- GradeAvailable Size RangeGauge Interval(μm)Preferred Gauge(μm)101/16”~1”1-10,…..,-1 ... ,nipples,sliding,blocks,toys.Any further Information,Plz contact us! High Quality Bearing Steel Balls