Simpson Strong-Tie EMN22i Mixing Nozzles designed for the proper proportioning and mixing of the SET22, SET-XP22 and ET22 Epoxies. This is a one piece unit with an integrated nut to easily fasten to the cartridge. The EMN22i nozzle ensures the resin and hardener of the applicable Simpson epoxy adhesives are mixed in the proper ratio when dispensing. Additional Simpson Strong-Tie Information If there are any items on the Simpson Strong-Tie Website that you do not see on the DHC Supplies website we will gladly special order them. Most special order Simpson items ship the same or next business day. Call us at 800-323-2999 for pricing and availability. Important: Selecting USPS as a shipping method for any Simpson Strong-Tie product may delay shipping 1-2 days. Additionally, international shipments may also be delayed 1-2 days.Possible Free Shipping! Orders (Continental USA Only) of Simpson Strong-Tie items only that total $1850.00 or more may ship free depending on location, type of business and the type of Simpson products required. Additional products will be charged standard shipping if applicable. Please call 800-323-2999 to see if your order qualifies.