Metal Finger Press Lids Finger pressing metal cap for 4L bucket, and the finger-pressing iron cap has stronger sealing performance. Its metal ring seal design can well protect the liquid in the square can, because the lid cannot be opened without destroying the iron ring seal, which can prevent the liquid in the tank from being damaged. The phenomenon of changing clothes, being extracted, mixing with foreign objects, etc. Product Description Product Name: Tinplate finger press metal caps Material: Metal tinplate Size: Standard/Custom(height can be adjusted) Application: Packing engine oil,machine oil,paint,glue,white coating,ink,solvent or other chemicals Color:…