Bar s Leaks® Jack Oil with Stop Leak is a carefully designed solution to stop leaks in hydraulic jacks caused by natural wear and aging. When you need to add oil to your jack it usually means there s a leak and this product effectively addresses that issue. The easy-fill cap makes fluid replenishment simple and contributes to easy maintenance. This advanced formula not only revitalizes older jacks but also serves as a preventive measure against leaks in newer hydraulic jacks. The premium formulation demonstrates its effectiveness by rejuvenating seals stopping existing leaks and creating a strong barrier to prevent potential future leaks ensuring the prolonged and efficient operation of hydraulic jacks. 9.3x1.8x3.4 inches. Assembled Product Weight-0.8 lb