Equal divisions and Screw hole guide

Divide 89mm (3.5-inch) thick 2x4 lumber into equal parts of 1/2, 1/3, and 1/4 with ease.
Use the screw hole guide to mark the spots where you need to drive screws.
Made of transparent polycarbonate resin, this tool allows you to see the wood clearly and preventing scratches.
 

Easy to scribe and confirm angles

This tool makes it easy to scribe and confirm angles with its 150mm graduations. Its size is designed to match the width and thickness of 2x4 lumber, making it easy to use for scribing. Additionally, it allows you to simultaneously confirm and scribe 45° and 90° angles.

Made in JAPAN Brand

Shinwa Rules Co., Ltd. Parent company is a leading manufacturer of measuring tools and woodworking tools like stainless steel rules, squares, chalk lines and so on. 

Especially stainless steel rules and squares hold 80% market share in Japan. 

"Penguin mark" is a symbol of reliable Shinwa products. 

When you buy rulers, please check the symbol mark.