*Multi-Angle Marking: This tool features precise markings at 15°, 30°, 45°, 60°, 75°, and 90°, making it an essential for companion for woodworking and DIY projects, making accuracy in every angle you work with. *High-Visibility Level: A built-in crystal-clear calibrated level enables verification of horizontal alignment, enhancing when hanging shelves or aligning various workpieces with ease. * Positioning Markers: Designed for materials like wood and drywall, this tool features marking functions that create pinpoint reference points while anti-slip stop marks maintain stability during use for zero-error measurements. *Effortless Adjustment: The innovative rotating knob allows for rapid angle positioning, and once locked, it secures firmly to prevent any slippage, providing consistent and repeatable measurements without wobble. *Durabled and Portable: Constructed from rugged aluminum alloy, this compact 6.57-inch ruler folds conveniently for easy storage in toolboxes or pockets, making it for contractors, woodworkers, and DIY enthusiasts., Weight: 0.34833037396 Pounds, Manufacturer: Htuteyy