Features ALUMINUM MATERIAL: The rod bubble level is made of excellent aluminum material, corrosion resistance and oxidation resistance, can be used in various environments. PROTECTION COVER: This adjustable grade bubble level is equipped with a protection cover to effectively prevent scratches and wear, ensuring accurate viewing. 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. APPLICABLE SCENE: This tool is suitable for home and woodworking leveling work, such as measuring space distance, leveling mechanical equipment, etc. 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. Specification: Item Type: Pole Bubble Level Material: Aluminum Application: Suitable for round and square rods with a diameter of 1-1.25in Weight: 80g / 2.8oz (approx.) Package List: 1 x Pole Bubble Level Package List 1 x Pole Bubble Level