CALIPERS

25mm Capacity x 44mm Depth x 0.2mm Graduations

Heavy-Duty construction assures accuracy and long life

Overall Length: 7-1/4"

Lens calipers are used to safely and accurately measure the center and edge thickness of an eyeglass lens. They are also used to determine the optical center of a lens. Knowing the center thickness of a lens may be helpful in determining the lens material.

Nylon ball tips prevent scratching plastic lenses when using these lens calipers.