FENRIR Valve Stem Caps are manufactured from 304 stainless steel.
FENRIR Valve Stem Caps use PA66 nylon reinforcement structure to increase the service life and strength of the product.
The surface of FENRIR Valve Stem Caps uses PVD coating process and laser engraving technology to add patterns, which can maintain the durability and corrosion resistance of the product surface.
The nylon insulation layer of FENRIR Valve Stem Caps can effectively prevent chemical corrosion caused by direct contact between metal and valve.
FENRIR Valve Stem Caps are designed with a rubber ring inside to effectively reduce air leakage.