With nice sealing performance, these jack oil plugs can effectively prevent oil leakage, and they are suitable for most general hydraulic horizontal , therefore, they are really utilitarian tools and accessories. Features - Color: Black. - Material: Rubber. - Size: 1.50 x 1.00 x 1.00cm/ 0.59 x 0.39 x 0.39 inch. - This jack oil reservoir rubber filler plug is made of quality rubber, which is and . - The rubber filler plug is waterproof, and has good sealing. It can be installed easily and quickly. - These floor jack plugs are suitable for hydraulic horizontal jack of most brands. - The package includes 20 pieces rubber filler plugs, sufficient quantity to meet your need and replacement. - Smooth sides designed for exceptional sealing and optimal fit with a wide range of openings. Package list: 20 x jack plugs