Comprehensive Set: The package includes 2 sets of gaskets, comprising 2 piston gaskets and 4 sealing rings in assorted sizes, providing ample replacements. Compatibility: The leather cuff piston sleeves are designed to fit most model 75 water pumps seamlessly. Materials: Made from quality cow leather and silicone, these seal rings are sturdy and resistant to breaking, deformation, and fading, ensuring long-term reliability for your pump. User-Friendly Installation: Soaking the piston seals in water prior to installation makes it easier to attach them securely to the pump, enhancing your overall experience. Efficient Replacement: These hand water pump parts are designed for easy installation and provide excellent sealing capabilities, allowing your water pump to function effectively again while saving time and effort. Color: As shown Material: Cow leather + Silicone Package Contents: 2 x Leather cuffs 4 x Sealing rings (2 sizes) Note: Only the items listed above are included. Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.