Compatible with Laptop Models: Mac Book Pro 11.1 13" Retina A1502 ME864xx/A / ME865xx/A/ ME866xx/A - (Late 2013 Version) Mac Book Pro 13" Retina "Core i5" 2.4 Mac Book Pro 13" Retina "Core i5" 2.6 Mac Book Pro 13" Retina "Core i7" 2.8 MGX72xx/A / MGX82xx/A / MGX92xx/A - (Mid 2014 Version) Mac Book Pro 13" Retina "Core i5" 2.4 Mac Book Pro 13" Retina "Core i5" 2.6 Mac Book Pro 13" Retina "Core i7" 2.8 Compatible with Laptop Models: Mac Book Pro 12.1 13" Retina A1502 MF839xx/A / MF840xx/A/ MF841xx/A/ MF843xx/A - (Early 2015 Version) Mac Book Pro 13" Retina "Core i5" 2.7 Mac Book Pro 13" Retina "Core i5" 2.9 Mac Book Pro 13" Retina "Core i7" 3.1
There's another type of bridge, black, with an extra piece of metal to hold the cable. You don't have to remove this bridge to unmount the optical drive.