Fowler 74-004-500 X-Tread and Poly-Cal Kit

Features and Benefits: Electronic Caliper range: 6" /150mm, Tire Tread Gage range: 1" /25mm Resolution: .0005" /.01mm (Fractions by 1/64th increments) Polycarbonate frame Absolute/Incremental Measurement Tire Tread Gage: spring-loaded and hold measurement button for ease-of-use 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.