Holtest Digimatic I/M 0.5 in - 0.65 in Range 0.5 in to 0.65 in 12.7 mm to 16.51 mm IP Rating Not Rated Case Type Case Contact Point Shape Flat Included Certification Certificate of Inspection Maximum Measurement - Inch 0.65 in Maximum Measurement - mm 16.51 mm Minimum Measurement - Inch 0.5 in Minimum Measurement - mm 12.7 mm Accuracy +/-0.0001 in