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 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 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 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 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 Tower Ruler Rod Level Aluminum Alloy Right Angle 90 Degree Pole Bubble Level for Surveying Item Type: Rod Level Color: As Shown Material: Aluminum Alloy Package Contents: 1 x Rod Level 1 x Wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.