1. Left and right card holder socket for Microsoft Surface Book 13.5 inch X938828-003/X938829-003 2. Replace your broken, damaged or non-working item with a new one 3. Each item has been checked and in good condition before shipping 4. Completely fit and work 5. Professional installation is highly recommended. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts
