Material: RubberColor: BlackQuantity: 4PcsCompatible Model:For MacBook Pro A1278 A1286 A1297 13 15 17 A1278 13For MacBook Core 2 Duo 2.0 13 (Unibody)For MacBook Pro Core 2 Duo 2.26 13 (SD/FW) (09)For MacBook Pro Core 2 Duo 2.66 13 Mid-2010A1286 15For MacBook Pro Core 2 Duo 2.4 15 (08)For MacBook Pro Core 2 Duo 2.53 15 (SD)(09)For MacBook Pro Core 2 Duo 2.66 15 (09)For MacBook Pro Core 2 Duo 2.66 15 (SD)(09)A1297 17For MacBook Pro Core 2 Duo 2.66 17 (09)For MacBook Pro Core 2 Duo 3.06 17 Mid-2009For MacBook Pro Core i7 2.4 17 Late 2011For MacBook Pro Core i7 2.5 17 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/0.47Package includes: 4Pcs x for Macbook foot padApple iPod , iPhone , or iPad are registered trademarks of Apple, Inc. Products are Apple compatible and not endorsed by Apple, Inc.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.