Model: LM8SUU, size: 8mmx15mmx17mmPerfect for linear motion on 3D printers, cnc machinery or other automated equipment.8mm linear bearings, with two sealed rubber dust-proof gaskets, can prevent dust, water and foreign objects from entering.Made of high-quality metal, high rigidity, low friction, and a little bit of lubrication can bring long life.Colour: silverMaterial: metalPackage Contents:10 * Linear 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.