Resolution: .0005"/.01mm (Fractions by 1/64th increments)
Fowler's new X-Tread and Poly-Cal Kit combines 2 great tools complete in a shop hardened case. Poly-Cal Electronic Caliper also features 4-way measuring and has an accuracy: +/- .008". The X-Tread Tire Tread Gage for tire tread thickness measurement has a 2.1" base and .95" diameter rod. Polycarbonate frame
Absolute/Incremental Measurement
Tire Tread Gage: spring-loaded and hold measurement button for ease-of-use