2. Bubble Calibration: The bubble vial of this right angle pole level assists in precise leveling, ensuring accurate measurements across various applications with ease, meeting more needs 1. Aluminum Alloy: Crafted from robust aluminum alloy, this standard rod level offers durability and high strength, withstanding wear and tear even under demanding working conditions 4. Enhanced Visibility: This pole level features a 7/8 inch diameter leveling vial, it provides high visibility, coupled with a sensitivity of 30 minutes per inch, boosting usability in all conditions 3. Pole Installation: Designed with versatility, this level suitable for both circular and rectangular poles, and adaptable for diverse uses ranging from track lighting to robotic instrumentation 5. Sturdy and Practical: Sturdy enough to endure rough handling, this metal level is suitable for professionals requiring high reliability and accuracy in harsh measurement environments, Weight: 0.25794084654 Pounds, Manufacturer: Aboiled