1、APPLICABLE POLES: This leveling tool is suitable round and square poles with a diameter of 1‑1.25in, with top adjustable small bottle, sensitivity of 40 minutes. 2、PROTECTION COVER: This adjustable grade bubble level is equipped with a protection cover to effectively prevent scratches and wear, ensuring accurate viewing. 3、ALUMINUM MATERIAL: The rod bubble level is made of excellent aluminum material, corrosion resistance and oxidation resistance, can be used in various environments. 4、STRAP DESIGN: The pole leveling tool is designed with strap, which can be easily tied to the pole and is convenient to move, stable and reliable. 5、APPLICABLE SCENE: This tool is suitable for home and woodworking leveling work, such as measuring space distance, leveling mechanical equipment, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.