Amazon.com: Tire Tread Depth Gauge, Preciva LCD Digital Tire Tread Depth Gauge Tool with Inch and MM Conversion of 0-0.98 Inches(NO Fraction Display/NO 32nds). : Automotive
iGaging Depth Gauge Digital Electronic Indicator 0-22" Measuring Range, 0.0005" Resolution, 2-Position Base (Inch/MM/Fractions): Amazon.com: Industrial & Scientific