Goodyear Professional Tyre Gauge Features: Measures in both PSI (from 0 to 60 psi) and BAR (0 - 4 bar). Fitted with a 45 degree angle chuck to allow easy connection to tyre valve GS/TUV Approved and ANSI Grade B accuracy ( 2% accuracy) Features a release button to allow the pressure to be accurately read away from the car and then reset later Save time and money by checking your tyre pressure at home rather than going to the petrol station or tyre shop Corrects your tyre pressure with extreme accuracy, reduces tyre wear, extends tyre life and improves fuel efficiency Improves vehicle handling and passenger safety Instructions: For accurate results always check the pressure when tyre is cold. Push end of gauge firmly into tyre valve until pointer reaches highest point. Read pressure from an angle vertical to dial face. Refer to owners manual or door card/sticker for ideal tyre pressure for specific road conditions. Pressure marked on side of tyre is normally best. In order to prevent fa