Shinwa Rules Co., Ltd. was formed in 1971, when three measuring-tool makers, Watanabe Doki Seisakusho, Hanyu Keiki and Watasei Doki, merged in the Tsubame-Sanjō region of Niigata, a centre of Japanese metalworking for centuries.
Shinwa has focused on accuracy from the start. It patented a calibration method for stainless steel rules in 1977, gained ISO 9001 certification in 1999 and became a JCSS-accredited calibration laboratory in 2001. The company opened an office in Dalian, China, in 1991 and a branch in Illinois, USA, in 2007.
Shinwa is now Japan's top-selling maker of metal rules. Its squares, rules, sashigane, marking gauges and levels are used every day by carpenters, metalworkers and makers who need measurements they can trust.
Premium Drafting Rulers
Premium Drafting Rulers
Regular price
$18.00
Regular price
Sale price
$18.00
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This 30cm Premium Drafting Aluminium Ruler is your ideal companion for precise drafting, measuring, drawing, and cutting. Crafted from sturdy yet lightweight aluminium, it features bold, easy-to-read markings, ensuring accuracy and efficiency in all your projects.
30cm Dimensions:
- 310×35×5mm
- Length Tolerance: ±0.20mm (at room temperature)
60cm Dimensions:











