Comprehensive Set: The package includes 2 sets of gaskets, comprising 2 piston gaskets and 4 sealing rings in various sizes, providing ample replacements. Universal Fit: The leather cuff piston sleeves are designed to fit most model 75 water pumps seamlessly. High-Quality Materials: Made from cow leather and silicone, these seal rings are sturdy, resistant to breaking, deformation, and fading, ensuring long-term reliability for your pump. User-Friendly Installation: Soaking piston seals in water prior to installation makes it easier to attach them to the pump securely, 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) Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.