CALIPERS
75mm Capacity x 40mm Depth x 0.2mm Graduations
Heavy-Duty stainless construction prevents rust, assuring 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.
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