1、Convenient Storage Hook Design: Featuring a practical and user friendly hook design, this V shaped ruler allows for easy storage and portability, making it convenient to carry with you wherever you go. 2、Vertical Measurement Function: With its multifunctional design, this V shaped ruler offers two measurement options. It quickly and accurately measures the height of wood, making it the ideal tool for woodworking enthusiasts and professionals. 3、Dual Sided Imperial Scale: The fine craftsmanship of this ruler ensures accurate measurements. The dual sided Imperial scale guarantees accuracy in marking operations, making every project you undertake an art. 4、Woodworking Square: Use this tool to test and check squares, as well as measure right angles (90 degrees). Ensuring your work is perfectly square has never been easier with this convenient tool. 5、4 Piece Set: This set includes rulers of 4 different sizes, all with the same outstanding functionalities. With these versatile measuring tools, you'll tackle any woodworking project that comes your way.