7.937mm Carbon Steel Ball AISI1010-AISI1015 Solid Bearing Ball Forged Carbon Steel Ball Grinding Chrome Steel Ball for Bearing 1.790g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：7.72mm Carbon Steel Ball AISI1010-AISI1015 G100-G500 High Carbon Steel Ball M3 for Furniture Bearings, Bicycle 1.876g Next：Carbon Steel Ball 1.024G AISI1010-AISI1015 for Outdoor Sports Shooting Slingshot Catapult 6.31mm
