Feature:1. Carbon Steel: This steel balls is made of high quality carbon steel, durable, corrosion resistant, rust resistance2. Glazed Surface: This is steel ball, which is glazed like a mirror, durable, round and comfortable to touch3. Main Use: This is high accuracy steel ball, which can be mainly used for bearing steel ball replacement4. Simple Operation: This is small steel ball, which the size is 6mm, precise and easy to use, you can use with confidence5. Good Experience: Steel marble with a long service life, and can provide you with a good user experienceSpecification:Item Type: Steel BallMaterial: Carbon SteelSize: Approx. 6mm / 0.24inApplicable: Bearing fittings.Package List:1000 x Steel BallNote:Store in dry or airtight conditions