And the winner, by a substantial margin, is the Knipex 61 02 200 nippers. There are a few tool brands in the test that I have never heard of. Interesting that Snap-on was not included in the test.
Knipex Nippers
Knipex Nippers
......Knipex, Milwaukee, Blue-Point, GearWrench, Channellock, Gedore, NWS, Tekton, Barnwell, Wazakura, Bates, Speedwox, Kseibi, Hautmec, WorkPro, American Mutt Tools, Performance Tools, and Irwin. Pliers compared for performance for closeness of flush cut, handle force to cut through nail, screw, and drill bit. Finally, only one brand successfully cut through an hex key.....