Rubbermaid Stock Tank Drain Plug Wrench
thingiverse
It's not very elegant, but it's very handy. It's a hand wrench to tighten and remove the drain plugs from Rubbermaid Stock Tanks, with a heater or not. Hope someone else finds it usefull. I printed with 3d fuel pro PLA+ with my strongest settings. I was really able to crank on it and it held up fine. The big holes on the side are just for material savings.
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