A normal tap handle will probably run you about $20 and will honestly be a much more durable tool than this one. That said these handles do work very well, just don't over tighten them!  

  I made this set mostly to experiment with a different method of inserting threads into 3D printed parts. As you can see I used a wood insert nut instead of a standard nut. This type of nut provides more threads and distributes the applied stress differently than a standard nut. The insert nut will also never accidentally fall out! I provided an stl file that can fit each type of nut so you can print one each to compare them directly.   

Standard Steel Tap handle on amazon for comparison: http://amzn.to/28OyPEj