FITABLE MODEL For Macbook Pro 13 inch&15 inch A1425 A1502 A1398 2012-2015 Year ,for Macbook Air 13inch A1369/A1466 2011-2017 Year,for Macbook Air 11inch A1370/A1465 2011-2017 Year. Note 1.These notebook keyboard come in 2 different types of hinges and keycaps,please make sure that the white plastic scissor hinge is exactly the same as the one in the picture. 2.If you are not sure whether the key cap and hinge are suitable for you, please contact us in time, we have professional engineers to help you. Installation tips If the white scissor hinge is not damaged, you can directly install the black key cap. If the hinge is damaged, please install the white scissor hinge first, and then install the black key cap. Package 1PCS black key cap 2PCS white hinge