Our range of hydraulic jack oil plugs are designed to provide a for your jack's oil reservoir. These plugs are easy to use; just insert them into the oil filler hole and ensure they are tightly fitted. This helps prevent oil leaks and keeps your hydraulic system functioning smoothly. Features -Color:Black -Material:Rubber -Size:1.40X1.40X1.10cm/0.55X0.55X0.43in -Inner diameter: 8.5mm; Outer diameter: 11mm -Rubber material: made from robust rubber, these plugs are designed to resist wear and high temperatures, providing a reliable seal for your hydraulic jack -Portable design: their compact and lightweight design makes them easy to store and transport, ensuring they are when needed -Easy replacement: featuring a simple installation process, these can be easily replaced by users, saving time and effort -Leakproof: designed to prevent oil leaks, these plugs help maintain the proper functioning of your floor jack, ensuring it operates efficiently -Built to last: these offer durability, ensuring your hydraulic jack remains in optimal condition for extended use Package list: 25 x oil plug