The drills themselves are fine. However, the metal case the bits are kept in is a joke. First, during transportation, the case opened and some small parts fell into the box. The case is a thin piece of sheet metal. Second, terraced bit holders do not stack, making it very difficult to determine the size of the bits. Luckily I had an old case. Bottom line: buy this for bits and try to find a sturdier case with foldable bit holders. Addendum to previous post: The best holder is the Huot Drillβ¦