I am thinking the same as CarlH, Post #2, At least it was not made in China, I use a water pump pliers or what is called a canon plug pliers, Witch is used on airplains .Was in my toolbox when I got out the Air Force, after working on jet airplains. Roger Weinhold AKA Charlie 1925
Charlie, you just busted my bubble. I thought I was the only one who used Canon Plug plyers on grease cups. Just had them in my toolbox and the light bulb flashed and they worked. Turn about is fair play as the airplane mechanics use Ford Wrenches.