Actually its a 15-piece set if you include the case. The drill bits are your typical average good
quality drill bits. I did find the see-through case itself the most unique and probably useful
feature of this set. The case's split fold-out features made it very easy for me to select and
pull out the bits. l bought this on sale so I think I got a good value for my money.
One drill bit broke and got stuck in the piece of wood I was using.
That's sort of upsetting.
It also has a horrible stench, that goes away after about 4 days of constant use.
Other than that it is an awesome case, I am satisfied with the folding feature.
It's compact and can fit in your back pocket or what have you.