VALUE KIT Replacement Piston Set for Grip Pumps - Includes a complete piston and a leather seal designed specifically for Hand Pump Model 75, giving you all the components you need for effective maintenance and reliable operation. - Product dimensions: Fits all pumps with a 75 mm cylinder handle. The leather seal has an inner diameter of 52 mm, an outer diameter of 80 mm, and a height of 20 mm, ensuring a precise fit for optimal performance. - Easy installation: Replace the old seal by removing the old part and installing the new piston seal, so your pump is ready to move water efficiently again. - Reliable materials: Made from high quality cast iron and cow leather, offering excellent sealing and durability. The leather is treated to resist deformation even after prolonged exposure to water. - Use scenarios: Restore pumping efficiency for garden irrigation systems; perform maintenance on farm or remote location water transfer pumps; service workshop hand pumps that require a dependable seal for reliable operation.