This is the BEST BUY!
I bought a few, so-called "Amazon's Choice",  "thousand pieces kit", and this one.<br /><br />I would say this is identical with the "Amazon's Choice" one with extra two retainer, but even cost $2 less. For the "thousand pieces kit", it's too much that you would never used again, or it never fit, also very bad build quality.
Rating: 5 stars