Description: Light weight and portable design. One Metal Truck Tire Tread Depth Gauge. Scale from 0 to 30mm in 1mm graduations. Measures Shoulder Wear As Well As Tread Depth. Durable Metal Construction, Chrome Plated. Comes In A CLear Protective Plastic Pouch. Pocket-Size. Specification: Material: Metal Cable length: 72x45mm/2.8x1.8 Inch Package Includes: 1 Piece Tread Depth Tester