[Shop-talk] Tool Question

[Matt]

I have a seized bolt I am trying to loosen without breaking and it is in a hard to reach location.I can't get a socket on it and the 12 point box wrench I am using is slipping off.I am having trouble locating a 6 point wrench  (10mm by the way). QUESTION:What is your experience with the roller based wrenches that are marketed as "no slip" and well suited to partially rounded fasteners? TIA!
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