The ITM Tire Pressure Sensor Metal Stem is a set of 20 pieces designed for vehicles that use a 315MHz frequency for tire pressure monitoring. Manufactured by ITM Engine Components, these sensors feature a metal stem for durability and reliability. Specifically made for the 08002HP model, these sensors are essential for maintaining proper tire pressure and ensuring safety on the road. With a frequency of 315MHz, these sensors provide accurate readings and alerts in case of low tire pressure.