Feature: 1. 304 stainless steel material, resistant to acid, alkali and corrosion, not easy to rust. 2. After passing the photosphere, it will be weakly magnetic, HRC<26. 3. The surface is polished without burrs, which is smooth and flat. 4. G1000 accuracy, strong hardness and wear resistance, reliable to use. 5. Can be used in medical equipment, chemicals, aerospace, plastic hardware, etc. Specification: Condition: 100% Brand New Item Type: Stainless Steel Balls Material: 304 Stainless Steel Surface: Polishing Process Accuracy: G1000 Total Weight: Approx. 0.5kg/1.1lb Quantity: 0.5kg in weight, and there will be an error of 1-2pcs in the quantity. Uses: It can be used in medical equipment, chemicals, aerospace, plastic hardware, perfume bottles, sprayers, valves, nail polish, motors, switches, electric irons, washing machines, refrigerators, air conditioners, medicinal materials, auto parts, instruments, baby bottles, electronic components, Jewelry polishing and other products.. Package List: 1 Pack of Stainless Steel Balls (0.5kg) Note: Steel balls made of 304 stainless steel are not recommended for bearings. Bearing steel is generally used for bearings.