1.High quality Ceramic ball 2.ISO9001;2000 3.various types,quick delivery 4.low price,high precision Details Type:Ceramic BallBrand Name:BossinBore Size:2 - 300 mmOutside Diameter:10 - 500 mmModel Number:all ceramic bearingPlace of Origin: China (Mainland)Type:Hybrid ceramic or full ceramicApplication:Skateboard, dental, bicycle, yoyo, fishing reel, rc ...Vibration level codes:V4, V3, V2, ...