Shipping is free to Amazon Prime members or on orders over $25. About this item: Mechanic Recommended: Performance tested, certified, & calibrated accurate within ANSI Standards (±1.5%) at our NIST accredited industrial facility, ensuring quick and precise tire pressure readings up to 100 PSI without relying on batteries Rugged & shock-resistant 'Dual-Layer Protective Shock Guard' shields the solid steel body from accidental drops and toolbox storage, so you can rest assured your new tire gauge will stay reliable for many years Robust design comes equipped with a '360-Degree Swivel Chuck' that fully rotates for easy valve stem access, pressure hold function, reset button to quickly revert reading back to zero, and built-in air bleeder valve for quick deflation of tires Compact size features an easy-to-read 1.5" dial (0-100 PSI) and stores nicely in the glove box, center console, or tool kit - suitable for cars, trucks, SUVs, motorcycles, bikes, campers, trailers, spare tires, or RVs