Precision Engineered for Compatibility: Specifically designed to fit Superpump models including SP1600X5, SP1605X7, SP1607X10, SP1608X10, SP1610X15, SP1611X15, SP1615X20, SP1616X20, and SP1621X25, ensuring a perfect match for your pump's requirements. Versatile Fit for Pumps: This swivel nut and knob also seamlessly integrates with the pump model SP2810X15. Crafted for durability and long-lasting use, this replacement part maintains the efficiency and performance of your pool pump. Optimal Performance and Durability: This robust replacement part is engineered to withstand rigorous use in various pool environments. Its heavy-duty construction ensures it can cope with the mechanical demands of pool pumps. Easy Installation: The design of this swivel nut and knob allows for a straightforward installation process, enabling you to quickly replace worn-out parts without needing professional help. This means less downtime for your pool and more time enjoying it. Enhance Your Efficiency: Regular maintenance of your pump, including timely replacement of essential components like the swivel nut and knob, can significantly improve its performance and efficiency, leading to better water circulation and filtration. Product appearance may vary slightly depending on the batch, but this does not affect functionality. Quantity: 3 sets Color: Black Material: Plastic Package Contents: 3 x Rotating Nut 3 x Knob 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 appear slightly different from the actual item. Measurement may vary by +/- 1-3 cm.