name:ss304 stainless steel ball diameter:0.5mm-25mm 1. ss304 Stainless steel ball2. Low price & High Hardness 3. OEM service accepted 4. Low noise &wear resistance 5. Fast deliveryDETAIL SPECIFICATION: ItemSS304 Stainless steel ball CategoryStainless Steel BallMaterialAISI 420 430 440 SS304 316Size0.5mm--25.4mm, 1/4",3/16",5/32",1/8",7/32",5/16",7/8",1" GradeG100-G3000Hardness ( HRC)HRC58- ...