Chrome Skull Tire Valve Stem Caps,not easy to come loose,well made,keep balanced,very cool look,silk thread tight, more secure.
---Material: polymer ABS material, copper core inside, high quality never rust, thread stability, anti-leakage dust-proof design ---Using high-performance new engineering materials, precision casting technology produced. ---Designed for tire valve design, silk thread tight, more secure. ---Dust. Prevents the nozzle from being covered with clay or snow and it is corroded. ---Solid metal with locking washer to prevent from becoming loose. ---They are very easy to install,eyes look really cool,match them with valve stem covers,feel like they will last forever.