Carbon Steel Ball 1.Material: AISI1010-1085 2.Diameter:0.4mm to 60mm ... Outer packing: export carton or bags 6. Application: bicycle, bearings, pulleys, rails, crafts, shelves, universal ball, bags ,small hardware, grinding For more ... details,please feel free to contact me directly.Helen,Zhang 0086-15854189625 Carbon Steel Ball ...