Tool Test: EZ Pinch Stick for Checking Square on Glue-ups
“Pinch rods” or “pinch sticks” are, at their most basic, two thin pieces of pointy material that are held together loosely enough at the center to move, but can be locked down. Put a point corner to corner in a carcase, lock the sticks, then check that setting against the two other corners. If they match, you’re square. If they don’t, you can tweak the carcase as needed.
You’ll find lots of options online for making your own pinch rods, but this stainless steel and zinc version collapses to fit inside even the smallest tool chest or drawer (the tool is 7″ long with the halves unscrewed).
It works not unlike the TV antennas many of us remember from our childhoods – but the metal is more robust.
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