... of precision:ABEC-1 product detail description: Model No. H seriesCategory Adapter SleeveSpecification 36*40*58mmMaterial TypeBearing steel, Carbon steelNumber ... Poly bag, box, carton, plywood.ApplicationIndustry Machine, auto, motorcycle, power tools Place of OriginSweden, USA, Germany, Italy, FranceServiceOEM service, small ... inspection 8.Rust prevention 9.Product packaging Adapter sleeve H series