520pcs Precision Steel Ball Bearings ,2-8mm Balls Magnetic Loose Kit

All steel ball bearings are made of high hardness durable chrome steel,assures precise accuracy, fine surface.Precision steel balls are corrosion resistance and high hardness, free of cracks and chips. they could serve for a long time.Well packed in a see-through portable storage case by size to keep all precision balls organized. The sizing labels for quick identification.Chrome steel balls are primarily used in precision ball bearings, bicycles, casters, drawer slides, door locks, target shooting, and many other applications.colour:silvermaterial:Chrome steelPackage Contents:80 x 2mm Bearing Ball80 x 2.5mm Bearing Ball60 x 3mm Bearing Ball50 x 3.5mm Bearing Ball50 x 4mm Bearing Ball50 x 4.5mm Bearing Ball50 x 5mm Bearing Ball30 x 5.5mm Bearing Ball30 x 6mm Bearing Ball20 x 7mm Bearing Ball20 x 8mm Bearing BallOnly 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.