1.Material: AISI1010/1015/1045/1085 carbon steel 2.Grade: G100 3.Hardness:58 to 62 4.Market: Europe, Asia Market Products namecarbon steel ballsBrand nameZJTSeries 1/4, 1/8, 3/16, 5/16, 5/32, 3/8 and so on.ID size1--12.7mmCage materialAISI-1010-1015 1045 1065 1085 52100GradeG10 G20 G100 G200 G500 G1000 G2000Color White,BlackQuality standardInternational standardServiceOEM & ODM serviceDelivery ...