PCL DTPG7 Digital Tire Pressure & Tread Depth Gauge - John M. Ellsworth Co. Inc.
Certified Tire Tread Depth Gauge | Canadian Tire
Amazon.com: Tire Tread Depth Gauge, Preciva LCD Digital Tire Tread Depth Gauge Tool with Decimal Inch and MM Conversion of 0-1 Inches/ 0-25.4mm(NO 32nds Fraction Inch Display). : Automotive