1、Polymer ABS material, stable thread, anti-leakage and dustproof design. 2、High-end diamond-encrusted sphere surface is shining and sparkling. 3、Direct replacement without modification, easy and convenient to install. 4、Feature uniqueness and aesthetics, sturdy and durable for long-lasting use. 5、Stable characteristics, good corrosion resistance, universally for most vehicles. Features: Polymer ABS material, stable thread, anti-leakage and dustproof design. High-end diamond-encrusted sphere surface is shining and sparkling. Direct replacement without modification, easy and convenient to install. Feature uniqueness and aesthetics, sturdy and durable for long-lasting use. Stable characteristics, good corrosion resistance, universally for most vehicles. Specifications: Condition: Brand New Material: ABS Optional Color: Red, Purple, Blue, White, Pink Size: Approx.18*16mm/0.7*0.6in Package List: 4 * Valve Stem Cap