Niwaki Ruler

Hardened stainless steel metric rulers from the Matsui Precision Manufacturing company, for draughtsmen, engineers and carpenters everywhere.

Slightly sturdier than your average stainless steel ruler, with a natty yellow vinyl slip case and conversions tables engraved on the reverse (inches › mm, tap drill › mm, and W.W. UNF/thread › mm): needless to say, they won’t let you down.

Although still in use amongst artisan craftsmen and other traditionally-minded folk, Japan officially ditched the ancient shakkanho / 尺貫法 system of measurement in 1868, following the Meiji Restoration. That’s over 150 years of metric expertise at your fingertips.

30cm