1) Compatible Model Numbers: Pro Retina A1398 15 inch 2) Compatible Part Number: 820-3109-A 3) Replacement and high quality,Replace your faulty, cracked or broken dc board Universal repair tool Please check the asin B07S9YFQJH if you need pry scewdrive Repair your for , for ,android Phone, PSP,,,,SSD,MP3 ,players,PC, Watch and more daily devices. Colour: Black material: metal Compatible Model(s): A1398 Compatible Model No:MC975LL/A,MC976LL/A,MGXA2LL/A MGXC2LL/A,MD831LL/A,ME665LL/A,ME664LL/A for Pro "Core i7" 2.3 15 inch Retina for Pro "Core i7" 2.6 15 inch Retina for Pro "Core i7" 2.7 15 inch Retina for Pro "Core i7" 2.4 15 inch Retina 2013 for Pro "Core i7" 2.7 15 inch Retina 2013 for Pro "Core i7" 2.8 15 inch Retina 2013 for Pro "Core i7" 2.2 15 inch Mid-2014 (IG) for Pro "Core i7" 2.5 15 inch Mid-2014 (IG) for Pro "Core i7" 2.8 15 inch Mid-2014 (IG) for Pro "Core i7" 2.5 15 inch Mid-2014 () for Pro "Core i7" 2.8 15 inch Mid-2014 () for Pro 15 inch 2.4GHz Core i7 (ME664LL/A, A1398, MacBookPro10,1) - Early 2013 for Pro 15 inch 2.7GHz Core i7 (ME665LL/A, A1398, MacBookPro10,1) - Early 2013 for Pro 15 inch 2.8GHz Core i7 (ME665LL/A, A1398, MacBookPro10,1) - Early 2013 for Pro 15 inch 2.0GHz Core i7 (ME293LL/A, A1398, MacBookPro11,2) - Late 2013 for Pro 15 inch 2.3GHz Core i7 (ME294LL/A, A1398, MacBookPro11,2) - Late 2013 for Pro 15 inch 2.6GHz Core i7 (ME874LL/A, A1398, MacBookPro11,2) - Late 2013 package include: 1 x Charging interface Only the above package content, other products are not included. Note: Light reflection 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.