China 6.5mm Carbon Steel Ball High Precision AISI1010-AISI1015 Stainless Steel Ball G10-G1000 Carbon Steel Ball 1.121g, Find details about China Steel Ball, Carbon Steel Ball from 6.5mm Carbon Steel Ball High Precision AISI1010-AISI1015 Stainless Steel Ball G10-G1000 Carbon Steel Ball 1.121g