I have several indexes for Huot brand drill bits, both inch and metric bit sets and I have always been satisfied with their quality. I had a set of metric taps with tap and drill bit sizes that this case was made for. The set originally came in a soft plastic case, but the drill bits and taps kept falling out and tangling in the wrong slots, resulting in me using the wrong tap a number of times. So I decided it was time to replace the plastic case with this beautiful metal case. As expectedβ¦