I use an adjustable wrench (cresent wrench style ). inexpensive wrench from HF. Works every time, don't over engineer it.
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I use an adjustable wrench (cresent wrench style ). inexpensive wrench from HF. Works every time, don't over engineer it.
Hardly over engineering it. I would need an 18" crescent wrench. $27 for a HF one delivered to my door. I suspect it would also be too wide to fit the flat spot, because my 15" one is. The sink drain wrench, delivered to my door for $13, works perfectly. Problem solved with no engineering needed.