TPMS Sensor with Metal Valve Stem (TPM97A) by Standard®. Mounting Method: Screw-In. OE Style. Nickel Coated. Frequency: 433 Mhz. With Hardware. With more than 95 years of experience, Standard is the leader in the automotive aftermarket. Standard designs, engineer, manufacture and distribute over 40,000 of the highest-quality engine management products in some of the most advanced-technology categories. TPMS product line is no different. Each product is rigorously tested to meet strict quality standards. What’s more, Standard holds more than 30 TPMS-specific patents and have an additional 20+ pending.