socket
thingiverse
A tailor-made adaptation of http://www.thingiverse.com/thing:157174 was designed using the Customizer tool at http://www.thingiverse.com/apps/customizer/run?thing_id=157174. For specific details, set the length to 53, extension length to 35, socket depth to 34, and diameter at 20.
Download Model from thingiverse
With this file you will be able to print socket with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on socket.