Package contents This set includes 2 or 4 leather cuff swing pumps, providing ample quantity for your daily use and replacement needs. Fit Specifically designed for 75 water pump handle pumps, these cuffs feature a top dimension approximately 2 inches (3 cm) and a thickness of 0.16 inches (4 mm), a snug and effective fit. Material and durability Crafted from cow leather, these cuffs deliver excellent sealing performance with resistance to water absorption and steam pressure, facilitating fast flow while maintaining shape integrity. Ease of use For optimal performance, soaking the leather prior to installation enhances elasticity, making assembly more straightforward and efficient. Use scenarios - Replacing worn cuffs on 75 water pump handle pumps during daily operation to restore seal and flow. - Stocking spare cuffs for garden, farm, or workshop manual pumping tasks to minimize downtime and maintain consistent performance. - Maintenance and reassembly tasks that involve repeated disassembly, where pre-soaked leather improves speed and reliability.