Yeah, I wrench a lot and my SAE stuff pretty much gathers dust. Of course i'm not working on Cummins steam engines or whatever...

I work on kind of specialized mills and industrial manufacturing equipment. 5/8" bolts quite common so 15/16" head.
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They are actually quite common, that's typically the head size for 5/8" bolts. Used all over the place on farm equipment.
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I needed a 1 1/16 to get off the fluid fill cap for on the tractor. It was beside the gear shifters and sockets just rounded it off. Ended up "persuading" a 1" wrench down on it and it came off with a little tap. Good thing the cap is like 4 bucks.
It just showed me that yes I do need bigger wrenches for equipment.