This product is a 3M Scotch-Weld EPX mixing nozzle with a square gold design. It has a 5.3mm diameter and can dispense 37ML or 50ML of adhesive. The unit quantity is 12 each. This nozzle is suitable for use with 3M Scotch-Weld EPX hot melt adhesive guns and is ideal for applications in the business and industrial sectors, including adhesives, sealants, and tapes. The product model is 9171. New old stock you get 12 nozzle in bag. There new