Features Provides precise measurements of tyre tread Includes key ring attachment for easy carrying Small and lightweight design makes it easy to store in your car at all times Specifications Name Description Key Ring Yes Country of Origin China Colours White Dimensions W 32mm x L 75mm x 6mm. (Dia 27mm ring). Materials Component Material Outer Shell Acrylonitrile Butadiene Styrene (ABS) Provides precise measurements of tyre treadIncludes key ring attachment for easy carryingSmall and lightweight design makes it easy to store in your car at all timesKey Ring: YesCountry of Origin: ChinaOuter Shell: Acrylonitrile Butadiene Styrene (ABS)