This is a 1-2 Axis (Anti-7) dice set. To learn more about what this exactly means, take our dice setting class.
Another popular sets is the 2-V set where you have twos in a “V” formation. This gives you the hard four (2 and 2) on top, the ten, (4 and 6) on the front, the four on one (3 and 1) on the back and the Hard ten (5 and 5) on the bottom. There are no sevens showing on the dice with this set.