1. Product name: 3/8"DR. Universal socket, 6-point.
2. size: 10(mm).
3. L: 46(mm).
4. Weight: (g): 52.
5. ASME/ANSI B107.1-1993.
For more information of the universal joint socket, please view our official websit: http://www.tien-i.com/h-universal.html