Strong material: 55 gallon lids are made of high -quality steel, galvanized, stable and stable, not easy to wear or rust, can be reused, for a long time Scope of application: thread bucket plug can be applied to 55 gallon barrels, barrels, fuel tanks, fuel tanks, etc. The sealing effect is good: the thread and ring on the bucket plug the barrel outlet so that the barrel will not leak during the storage or transportation process; tough and practical, not easy to deform Simple use: 55 gallon of oil barrel plug lid can easily screw into the oil barrel hole or remove it from the oil barrel hole, easy to use Number of sufficient quantity: This package contains 12 drum blocks, including 6 6cm plugs and 6 3cm plugs, which is very suitable to choose as needed Colour:As Shown Material:Metal Package Contents: 12 * Drum Caps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.