This repair kit is essential for keeping your floor jack in optimal working condition. It includes pump cores, , covers, return valves, and steel balls, all designed to ensure smooth and efficient operation. Whether you're a professional mechanic or a DIY enthusiast, this kit provides the necessary components to address common issues and extend the lifespan of your hydraulic jack. Keep your jack performing reliably with this comprehensive repair solution. Features -Color:Multi -Material:Plastic, Carbon Steel -Size:14.00X14.00X0.60cm/5.50X5.50X0.24in -Durable and reliable: made with durable steel balls and , this repair kit is highly resistant to wear, ensuring performance -Comprehensive solution: including pump cores and , this kit provides an effective solution to jack leakage problems, improving efficiency and reliability -Versatile application: compatible with numerous jack brands and models, this repair kit is good for use in automotive repair, construction, and other environments -User friendly: featuring all necessary accessories, this repair kit is easy to use and does not require professional skills, making jack maintenance easy -Protective features: the dustproof return valve in the kit prevents from entering , enhancing its durability and lifespan Package list: 4 pcs x 1 set jack repair kit