3M SCOTCH-WELD EPX MIXING NOZZLE – 3M™ Scotch-Weld™ EPX Mixing Nozzles perform to exact requirements for easy uniform application. These 3M approved accessories work with 3M Duo-Pak cartridges to simultaneously meter, mix and apply two-part adhesives and potting compounds. And, the tapered tips can be cut for precise bead size. Fits 37ml and 50ml cartridges. Sold by the each.