EASY TO USE: Just place onto your work area, slide the rulers into the any angle and shape needed, and tighten the screws. There you have your flawless measurement which can now be transferred and traced onto any material. ACCURATE ANGLE MEASUREMENT TOOL: Add 1 level bubble to ensure more precise and accurate angle measurements. Measures in both inches and centimeters. INCREASE EFFICIENCY: The four-sided instant angle ruler can move and lock into any position to become a customized stencil in seconds, it can create specialized angles/shapes for tile, brick, stone, wood, laminate, and more. It is a reusable stencil for endless applications. MULTIPLE APPLICATIONS: Set at 90-degree angles to space parallel pieces of wood, form into a T-Square to align your brick, even set your own distances for corbelling, any other project you can think of, it is perfect for builders, craftsmen, weekend warriors, and DIY-ers alike DURABLE AND ERGONOMIC: Made of premium aluminum alloy, including metal knobs and bolts, this ultimate template tool is more solid for heavy duty use, not easy to wear and tear. The multi angle measuring ruler folds for easy storage, portable and lightweight, you can it on the go to any job site!