2 Sets Car Air Quick Connector PM40 Male Hose Fitting Kit. Feature: Helps you switch quickly between different air tools and accessories. High corrosion resistance and long service life. Thicker wall with deeper and smoother threads, not easy to be broken and slip, allowing better bite and enhancing fixation. Easy to push so that to connect car air compressor accessories quickly. Specification: Condition: 100% Brand New Material: Steel Fit for 1/2 hose. Fitting Type: SM40 Male and PM40 Female Note: Please allow 1-2mm error due to manual measurement. Package Included: 2 Sets x Air Hose Fitting While we aim to supply accurate product information, it is sourced by manufacturers, suppliers and marketplace sellers, and has not been provided by Overstock.