Description: 【Premium Material】: Crafted from aluminum alloy with smooth surface, these Bolt in Tire Valve Stem Caps are designed for durability and wear resistance 【Good Sealing Performance】: Manufactured with precision to provide good sealing performance, can effectively prevent air leakage, reduce the possibility of tire blowouts and improve driving security, ensuring stable tire pressure for optimal vehicle performance 【TPMS Compatibility】: Equipped with a base featuring screw holes, these valve stems can be connected to a Tire Pressure Monitorings System (TPMS) for real time pressure monitorings and automatic alarm when tire pressure is low 【Universal Fit】: These Tubeless TPMS Valve Stem with Dust Caps is designed to fit vacuum tires on small cars and private vehicles 【Easy Installation】: Allows for easy installation without professional assistance Specification: Material: Aluminum alloy   Size Chart: Length 5.2cm/2.05inch Package Includes: 4 Pieces Bolt in Tire Valve Stem Caps Note: Please allow slightly errors 1-2cm differences due to manual measurement.