standard: material: abs plastic color: black, silver, blue range: 0-25.4mm resolution: 0.01mm working temperature: 0-40 ℃ power supply: 1 x 1.5v sr44 / lr44 button battery (including) characteristic: adopt the design of electric iron probe. metric / imperial replacement. brake shoes and pads. large lcd. fine workmanship and good performance. accurate and reliable. easy to use. easy to carry. it is suitable for profile depth measurement. the package includes: 1 x tyre tread depth gauge Have a nice day! Welcome to visit.Hope you have a nice day! we will be ready to reply you ASAP. If you need more this item ,you can contact us.we will give you our best price. Leave your message!