Description Description: Type: Car A/C Pipe Valve Core Charging Port Cap Air Conditioning Valve Cap: Car Air Conditioning Pipe Valve Core with O shaped rubber ring inside, which is not easy to loosen and fall. Material: A/C Pipe Valve Core Dust Cover is made of brass material, strong, wear resistant, and can be used for a long time. Function: Car A/C Pipe Valve Cover be used to restoring and repair your car A/C system. Easy to Use: A/C Air Conditioning Valve Cap is simple in design, easy to use, has no complicated installation steps. Specification: Material: Brass Size Chart:15.5mm/0.61inch Package Includes: 1 Piecde A/C Valve Cover(4 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.