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Print-In-Place Ratcheting 8 mm Hex Nut Wrench
A ratcheting box wrench that prints in one go. It has an 18-tooth sawtooth hub and a flexure pawl built into the handle. The 8.25 mm through-hex fits M5 hex nuts (8 mm across flats) and lets threaded rod pass right through. To reverse the drive direction, flip the wrench over. It is 138 mm long and the head is 46 mm wide. The hub is held top and bottom by 45° bevel races, so it prints without supports.
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