Product Name: Deep Groove Ball BearingModel: 606ZZInternal diameter: 6mmOutside diameter: 17mmWidth: 6mmColor: silverMaterial: MetalNet Weight: 21gPackage Contents: 3 x Deep groove ball bearingOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
