China Precision 4mm/6mm/8mm/10mm/12mm Carbon Steel Ball Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：19.050mm 3/4 Inch Soft Carbon Steel Ball for Furniture Rails and Rollers AISI1010-AISI1015 Next：Multifunctional Dia 7.935mm5/16′′ Spherical Balls, G5 G10 G25 Tungsten and Carbon Bearing Balls/Bearing Ball/Grinding Ball
