Description These jack oil plugs are made of reliable rubber materials, making them durable, waterproof, moisture-proof, and effective for strong sealing. They are easy to apply and install. This size is compatible with most hydraulic horizontal jacks, ensuring reliable performance for your needs. Features - Color: Black - Material: Rubber - Size: 1.40 x 1.20 x 1.20 cm / 0.55 x 0.47 x 0.47 inch - Made of premium rubber material, easy to use and install, waterproof, moisture-proof, and provides strong sealing - Ideal thickness, lightweight design, sleek appearance, high-quality jack stoppers - Rubber stopper offers excellent heat resistance, cold resistance, dielectric resistance, and ozone resistance - Resistant to aging and features good physiological inertia; odorless and non-corrosive - Unique tapered design with standard dimensions for easy insertion and removal Packing List 25 x Jack Plugs