A Square Must Be Square, Period. Woodpeckers ever-popular 1281 Square is made square and built to stay that way. For years and generations to come, it's a tool you can trust every time you reach for it. You know how important “working square” is for all your cabinet and furniture projects. Parts that aren't perfectly square cause endless problems requiring complicated workarounds. The end result of out-of-square parts is a compromised project and lots of frustration. Their precision 12” square will keep your parts and project on track.