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.
30cm Adjustable Angle Mini Circular Saw Guide
30cm Adjustable Angle Mini Circular Saw Guide
Regular price
$69.00
Regular price
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$69.00
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Find your guideThe Shinwa 30cm Free Angle Mini Circular Saw Guide is a compact and highly versatile tool designed to support accurate angled cuts with a handheld circular saw. With an adjustable range of 20° to 160°, this guide is ideal for custom angles on trim, framing, or other precision projects. A built-in detaining pin allows for quick and reliable locking at common angles of 45°, 90°, and 135°, while a screw mechanism secures any other custom setting. Lightweight and portable, it folds down for easy transport and storage, making it an excellent everyday companion for both on-site and workshop use.
Made in Japan
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