MacBook Pro is machined from a single piece of aluminum, an engineering breakthrough that replaced many parts with just one. 
Model: MD318LL/A
Processor Brand: Intel
Processor Type: Intel Core i7
Hard Drive Capacity: 500GB
Manufacturer: Apple
Condition: Used
Processor Speed: 2.2 GHz
Wireless Technology: 802.11n, 802.11b, 802.11a, 802.11g, Bluetooth 2.1 + EDR wireless technology
RAM Memory: 8GB
Operating System: Yosemite
Screen Size: 15.6” 
**item is Used and will show slight signs of Use**