Model: 681ZZInner diameter: 1mmOuter diameter: 3mmThickness: 1mmcolor:SilverMaterial:Bearing steelPackage Contents:10 x 681ZZ Ball Mini BearingsOnly 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.
