How do you get a box end wrench around a compression fitting? Unless you want to leave the wrench in place for the next guy, you’ll want a tool like one of Astro Pneumatic’s split box ratcheting wrenches.
Astro Pneumatics claims their wrenches allow you the access of an open-ended wrench while giving you the convenience of a ratcheting box-end wrench. They construct the heads of the wrenches from chrome moly steel, a steel alloy with chrome and molybdenum, for strength.
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You would think that with my collection of purchased and inherited tools and overall tool hang-up, I would have at least seen one of these before. I have some old Craftsman double-ended ratchet wrenches that are dog-bone shaped, but this version is new to me; I don’t know how I overlooked this.
Sears has their DOG BONE wrench in both SAE and metric for $20 each. Thorsen seems to have an equivalent for $15, although their version does not have the all upper-case name.
This could either be super handy to have around, sparing you trips back and forth to the tool box to find the right socket — or the bone ends would get in the way left, right, and backwards.