20pcs Bearing: 10pcs MR95-ZZ & 10pcs MR106-ZZBearings reduce friction by providing smooth metal balls or rollers and a smooth inner and outer metal surface for the balls to roll against.These balls or rollers "bear" the load, allowing the device to spin smoothly.Colour: silverMaterial: metalmodel: MR95-ZZSize: 5 * 9 * 3mm(Inner Diameter * Outer Diameter * Thickness)model: MR106-ZZSize: 6 * 10 * 3mm(Inner Diameter * Outer Diameter * Thickness)Package Contents:20pcs * BearingsOnly the above package content, other products are not included.Note: Light 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.