... lose one pound per month under normal conditions. Proper tire pressure improves gas mileage, handling, braking and durability.Caution: ... must be worn when using this gauge.Do not exceed maximum pressure on dial.Dropping or severe jarring may ... .: 10/9KGS better gas mileagelonger tire lifeimproved handlingincreased safety Hot selling, pencil type, mini tire pressure gauge, top quality, auto accessory, ...