648111 is a part number from the Stannol brand of industrial chemicals and adhesives. It is a tube of 10ml cyanoacrylate glue, or instant adhesive. The product is primarily used in industrial settings where a fast-bonding, permanent solution is required. It is fast-curing, has excellent gap-filling properties, and bonds a wide range of materials including metals, plastics, rubber, and many other substrates. It is also suitable for use as a light-duty potting compound, making it a versatile product with many different uses.