This product is a plug. It is made of solid . It is safe and durable. It can serve you for a time without being easily damaged. It is an excellent plug that can bring you more convenience, allowing you to have comfortable experience. Features -Color:Black -Material:Rubber -Size:1.40X1.40X1.10cm/0.55X0.55X0.43in - Made of rubber, easy to install, lightweight, wear-resistant and durable. - Effectively prevent leakage, good sealing. Compatible with most brands of hydraulic leveling . - Replace your old or broken plug with a new one. - Enough quantity for you to use for a time, satisfying your term use requirements. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. Package list: 20 x plugs