5.54mm 4.762mm 3/16 Inch 304 Stainless Steel Soild Steel Ball Carbon Steel Balls AISI1010-1015 0.682g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：5.556mm Carbon Steel Ball AISI1010-1015 Bicycle Parts Carbon Chrome Stainless Balls in G1000 Next：5.556mm 7/32 Inch China Suppliers Manufacturing Unhardened Carbon Steel Ball AISI1010-1015
