iGaging Digital Height Gauge 24"/0.0005" (600mm/0.01mm) Electronic w/Absolute Origin and Probe Attachment: Amazon.com: Industrial & Scientific
MITUTOYO, 0 in to 12 in/0 to 300 mm Range, ±0.0015 in Accuracy, Digital Height Gauge - 4LA96|570-412 - Grainger
24" Digital Height Gauge, Electronic with Absolute Origin 35-700-H24 - Ideaengineering.us
Height Gauge, 0-150mm Digital Height Gauge with Magnetic Base, Professional High Precision Depth Aperture Electronic Height Gauge for Mechatronics Automobile Manufacturing: Amazon.com: Industrial & Scientific