Be careful before you get too excited. I haven't ordered from them, but I did find one of those places like that. $10 for a set of 4 or something. They came and I couldn't use them because the finish on the end caps had tooling marks from when they made them. Very poor quality.
Hopefully you'll report back with different results on this place.
These things are freaking amazing. They're twice the quality of the other ones i was buying in the past. VERY solid. Well finished, and well built.
i strongly suggest using these.