Thanks Izzy. The adjustable wrench came from Lowes. They had a whole raft of 6" adjustables on clearance for 50 cents (normally $2). They also had 4-inch Vise Grip-style pliers at the same price. I bought four of the pliers and two of the wrenches. I may go back and see if there are any left of either.

Standard disclaimer.

My $.02
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"Its not a matter of being ready as it is being prepared" -- B. E. J. Taylor