5pcs Mini Round Horizontal Precision Bubble Level Measuring Tool

Features: *The bubble inside the circle will tell that the tested exterior is in water level as the bubble in the exactly middle of the circle. *The exterior of the tested materials can be adjusted to the water level as the bubble shows. *Test level method: you need to find a ...Features: *The bubble inside the circle will tell that the tested exterior is in water level as the bubble in the exactly middle of the circle.

*The exterior of the tested materials can be adjusted to the water level as the bubble shows. *Test level method: you need to find a completely horizontal plane, and then put the product on the plane to test. You can know.if the product is accurate.

If side of the product is not level, you can flip the other side at 90 degrees to test. Specifications: Product name: Round Bubble Level Material: Acrylic+plastic