Product Description Material: ABS plastic Maximum foreign length: 113mm Maximum external width: 60mm Product range: 0-25mm Product weight: about 40g Product accuracy: 0.01mm Resolution: 0.01mm Color: blue, silver, black, Quantity: 1pcs Package content: 1pcs * tread ruler 1.INCH/MM Measurements Conversion: Display can be switched between inches and mm.Digital tire tread meter perpendicular to the tire tread close, the bottom of the measuring rod advanced to the tread grooves and the grade. 2.LCD Screen: Digital depth gauge with large LCD display. 3.Easy for Operating: Zero setting at any position, Measuring range: 0-25.mm 4.Widely Application: Suitable for tire tread depths, brake pad thicknesses, brake pad thicknesses, brake shoes and pads. 5.Power ON or OFF ButtonManual power on / off,Sturdy plastic housing