100% Brand new and high qualityType: Stainless steel Ball bearingSize: 3x10x4Material: stainless steel440C(440C stainless steel is magnetic, it is a high-carbon high-chrome martensitic stainless steel, mainly used in the manufacture of bearing accessories which work in corrosive environment and non-lubricating strong oxidizing atmosphere, 440C has good high temperature dimensional stability, it can also be used as corrosion-resistant high-temperature bearing steel and manufacture high-quality cutting tools, scalpels, grease nipples, bearings and so on.)Place of Origin: China (Mainland)Package content: 2pcs S623zz ball bearing
