Features: Accuracy engineered steel angles finders with integrated bubble levels combines double functionality for accurate angles measurement and horizontal alignment in 1 strong , resistant tool. graduations on a recessed grooves secure scratch resistant, clear visibility and quick readings, while the 180 rotating arm locking measurements firmly via screw tightening. Ideal for enthusiasts tackling home renovations and professional engineers requiring stable accuracy in construction, carpentry, or mechanical projects. Perfect for leveling shelves, aligning tiles, calculating roof pitches, or verifying machinery angles at workshops, job sites, or home garages. small steel design with lightweight portability simplifies complex measurements, backed by calibrated accuracy and tool without screw adjustments for multifunction applications. Specifications: Component : Steel angles: 180 degree levels: 2 Hollows length: about 277mm/11inch Solid length: about 217mm/9inch Package Includes: 1xAngle rulers note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.