微型钢球，小***，小型钢球，价格优惠，厂家***:1.材质:不锈钢(201,304,316,316L,420,440,440C);轴承钢GCr15;碳钢1010,1045,1085;2.规格:0.5mm-----2.5mm0.5mm,0.6mm,0.7mm,0.8mm,0.9mm,1.0mm,1.2mm,1.25mm,1.30mm,1.35mm,1.40mm,1.45mm,1.50mm,1.588mm,1.60mm,1.65mm,1.75mm,2.0mm3.级别:G16--G100;康达钢球,品质保证,诚信合作,从我做起,这不只是说说而已!)