Electronic Thickness Caliper-Type Gage This versatile OD measuring gage is great for measuring thick, soft or honeycomb materials. The large, 2" Diameter Contact Discs spread out the contact pressure, making it an ideal gage for measuring the thickness of soft materials. Includes a large, easy to read LCD Digital Display. Features include... 0-2" / 50mm Measuring Range 0.001" / 0.020mm Resolution 6.57" / 167mm Max Measuring Depth 1.97" / 50mm Upper Contact Disc Diameter 1.97" / 50mm Lower Contact Disc Diameter SPC Output