TOPSEAL TR 438 is an EPDM rubber covered, tubeless, snap-in passenger car valve assembled with TR C1 core & Type CL cap. The special 'CL' cap is fitted with a seal to enable higher retention of air. This product is designed to resist premature rubber deterioration from ozone, valve hole compression, heat, cold and moisture. RIM HOLE 8.8mm TOOLS REQUIRED Valve Puller SUITABLE FOR Tata Nano Hyundai Eon