China 6.41mm Carbon Steel Ball AISI1010-AISI1015 Low Carbon Soft/Hard Sphere/Electroplating Soild Steel Ball 1.075g, Find details about China Steel Ball, Carbon Steel Ball from 6.41mm Carbon Steel Ball AISI1010-AISI1015 Low Carbon Soft/Hard Sphere/Electroplating Soild Steel Ball 1.075g