JessEm Sword T-Squares

It is machined from hardened steel or a precision metal alloy, depending on the model, so it holds its geometry through years of shop use. Browse more squares & rulers.

Dual-scale options are available. Models come in imperial, metric, or both, so you can choose the version that fits your workflow.

The body is ergonomically shaped with a slim, sword-like taper. This lets you reach flush against edges, inside corners, and flat surfaces that a bulkier square cannot access.

No. The graduations are laser-etched, so they resist wear and stay crisp and legible long after the square has been in service.

Use it for squaring ends and corners, scribing layout lines parallel to edges, setting up jigs and fixtures, and verifying right angles during assembly. See more marking guides.

Yes. The compact, slim profile reaches tight spots and inside corners while still providing a sturdy reference edge for accurate work.

The hardened material maintains its rigid geometry and resists warping even in variable shop conditions, keeping your right angles true.

The chamfered edges reduce binding and let your marking knife or pencil glide smoothly, making scribing cleaner and more controlled.

Yes. Its hardened, precise construction works well for checking corners, laying out joinery, and verifying angles across woodworking and metalworking tasks. Explore related measuring & layout tools.

They are made by JessEm, a maker known for precision layout and woodworking tools. The square reflects JessEm's reputation for craftsmanship and durability.