Shinwa Japanese ungraduated set squares

Brand: Shinwa
Materials: ungraduated stainless steel ruler
Heel: lightweight aluminum
Accuracy: better than 0.1 mm/100 mm
Origin: Japan (Shinwa Rules Co., Ltd.)

Length variations:
200 mm – compact bracket
300 mm – multi-purpose use
400 mm – large format for extended drawings

Marking right angles (90°) on wooden pieces or panels.
Checking for squareness before assembly, gluing or mounting.
Repetitive measurements during the production of series or similar items.
Dimensional control in workshop or on-site work.

This range of Shinwa precision Japanese squares is offered in several lengths – typically 200 mm, 300 mm and 400 mm – and is intended for checking and marking right angles (90°) in woodworking.
Each square combines a lightweight aluminum heel to reduce overall weight and a durable stainless steel main ruler. Accuracy is within a tolerance of better than 0.1 mm every 100 mm, making it a reliable tool for demanding craftsmen.

The measuring surfaces are flat and the graduations are clear, facilitating repetitive marking or checking the squareness of pieces of varying dimensions. These squares are suitable for fine woodworking, framing, and cabinetmaking—anywhere angular accuracy is essential.

Shinwa is a historic Japanese brand of measuring tools, renowned worldwide for the quality and reliability of its instruments.