Compatibility Guaranteed: Designed for optimal fit with ISO7241-A (ISO-A) Series. Enhanced Protection: Each set includes 4 male dust caps and 4 female plug covers, all crafted to prevent wear and tear of hydraulic couplers. By keeping dirt and contaminants out, these caps and plugs maintain system cleanliness, helping avoid costly downtime and maintenance. Material and Secure Fit: Made from high-quality PVC rubber, these dust caps and plugs withstand harsh environments and provide a snug fit to prevent accidental disconnection. A retention ring ensures the cap remains attached to the hose for added security. Color-Coded Convenience: This pack features 4 color-coded sets (one per set) for easy identification and organization of hydraulic couplers. This speeds up connection and disconnection and helps reduce cross-contamination between hydraulic lines. Color: As Shown Material: Rubber Size: 1/4 Inch Package Contents: 4 Sets × Hydraulic Quick Coupler Dust Caps and Plug Covers Note: The package includes only the items listed above. Other products are not included. Light reflection and display differences may cause slight color variation between the image and the actual product. Measurement tolerance is ±1–3 cm.