This MAC Tool 29 Pc Cobalt Grade Drill Bit Set is a very high-quality set. These bits are suitable for use in a lathe, air drill, and on your work bench. These bits have a lifetime warranty. This set is complete, and the tips are still sharp. Some of the bits have been used, and there is some saw dust inside of the case. The case itself only has minor wear from being inside of a work bench with other tools. Please check out all of the pictures for details and condition.