1. An open-ended wrench for turning a hexagonal object, the wrench comprising a handle and a wrench head disposed at an end of the handle; the wrench head forming a cavity defining an axis about which the wrench is to be rotated to turn the hexagonal object, the cavity being closed at...
Ideally, the jaws are spaced to provide a generally snug or sliding fit with the flare nut such that rotational force from the wrench is applied to the flats instead of to the corners. However, manufacturing tolerances in the wrench and/or in the flare nut may result in a jaw spacing ...