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.
Aluminium Speed Square Gauge for 2x4 Lumber
Aluminium Speed Square Gauge for 2x4 Lumber
Regular price
$36.00
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$36.00
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This new release from Shinwa is an indispensable tool designed specifically for use with 2x4 lumber, with all of its functions derived from the standard 89mm width. The perimeter of the tool provides an accurate 45° and 90° measurement, as well as a handy 150mm ruler. Rectangular holes on both faces of the gauge are perfect for marking lap- and finger-joints, allowing you to easily subdivide a joint into 2, 3, or 4 parts. Additionally, the circular holes are strategically placed to help you mark screw spacing with consistent precision.