Material: Rubber Color: Black Quantity: 20Pcs Compatible Model: For MacBook Pro A1278 A1286 A1297 13 inch 15 inch 17 inch A1278 13 inch For MacBook "Core 2 Duo" 2.0 13 inch (Unibody) For MacBook Pro "Core 2 Duo" 2.26 13 inch(SD/FW) (09) For MacBook Pro "Core 2 Duo" 2.66 13 inch Mid-2010 A1286 15" For MacBook Pro "Core 2 Duo" 2.4 15 inch (08) For MacBook Pro "Core 2 Duo" 2.53 15 inch (SD)(09) For MacBook Pro "Core 2 Duo" 2.66 15 inch (09) For MacBook Pro "Core 2 Duo" 2.66 15 inch (SD)(09) A1297 17" For MacBook Pro "Core 2 Duo" 2.66 17 inch (09) For MacBook Pro "Core 2 Duo" 3.06 17 inch Mid-2009 For MacBook Pro "Core i7" 2.4 17 inch Late 2011 For MacBook Pro "Core i7" 2.5 17 inch Late 2011 Compatible 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/A How 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 inch Package includes: 20Pcs x For Macbook foot pad Apple iPod , iPhone , or iPad are registered trademarks of Apple, Inc. Products are Apple compatible and not endorsed by Apple, Inc.