Material: RubberColor: BlackQuantity: 12PcsCompatible Model:For Pro A1278 A1286 A1297 13 inch 15 inch 17 inch A1278 13 inchFor "Core 2 Duo" 2.0 13 inch (Unibody)For Pro "Core 2 Duo" 2.26 13 inch (SD/FW) (09)For Pro "Core 2 Duo" 2.66 13 inch Mid-2010A1286 15 inchFor Pro "Core 2 Duo" 2.4 15 inch (08)For Pro "Core 2 Duo" 2.53 15 inch (SD)(09)For Pro "Core 2 Duo" 2.66 15 inch (09)For Pro "Core 2 Duo" 2.66 15 inch (SD)(09)A1297 17 inchFor Pro "Core 2 Duo" 2.66 17 inch (09)For Pro "Core 2 Duo" 3.06 17 inch Mid-2009For Pro "Core i7" 2.4 17 inch Late 2011For Pro "Core i7" 2.5 17 inch Late 2011Compatible Model No:MB466LL/A, MB467LL/A, MB467LL/A, MB991LL/A, MC374LL/A, MC375LL/A,MC371LL/A, MC372LL/A, MC373LL/A, MC721LL/A, MC723LL/A, MD318LL/A,MD322LL/A, MD103LL/A, MD104LL/A, MB604LL/AHow to use:Remove the bottom case and wipe the dropped needle with a dry cloth to wipe off the dust, but do not get wet.Heat the dropped needle with a hair dryer, when it hotted, stick on the rubber foot directly.Press until it is cooling, then turn over the bottom case, toast the cylinder with a lighter, after it dissolves, press it quickly to let it stuck in the bottom case.Diameter: 1.2cm/0.47 inchPackage includes: 12Pcs x For foot pad , , or iPad are registered trademarks of , Inc. Products are compatible and not endorsed by , Inc.Only 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.