Anti- design, practical.Perfect replacement bottom case feet. Installation is quick and easy.Made of rubber material, durable and wear-resistant.Convenient and practical, perfect for Pro A1706 A1989 A2251 A2159 laptops.Easy to install, notebook accessories.How to use:Remove the bottom case and wipe the dropped with a dry cloth to remove the dust, not wet.Heat the dropped with a blow dryer, when it is hotted, stick on the rubber foot directly.On until it is cooling, then tighten the bottom case, toast the cylinder with a lighter, after dissolving, quickly press to let it stuck in the bottom case.Type: Laptop feetCompatible Models: For Pro A1706 A1989 A2251 A2159Material: Rubber+Metalcolour: Black+GreyPackage Contents:6 x Screw4 x Foot Pads1 x ScrewdriverOnly the above package content, other products are not included.Note: Light reflection 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.