Shinwa large Japanese carpenters square with deeply etched metric full mm graduations inside and outside on both faces.

Made using hard chrome plated stainless steel hardened to Hv320+ for the perfect balance of stability and springiness and no worries about rusty fingermarks

Japanese carpenters squares are flat, they are used in the same way as a framing square, with one leg hung over an edge with its face acting as a stock.

• Product Dimensions: Long Branch - 520 x 20 x 2.0mm, Short Branch - 260 x 20 x 2.0mm
• 2mm x 20mm section (compatible with Shinwa 20mm square stoppers).
• Square to better than 0.1mm/100mm
• Conforms to JIS B7534
• Made in Japan.

Shinwa video which shows other ways to use a square.