SATA JET Air Micrometer Replacement 4000 Jets. Condition is "New". Ships USPS Ground Advantage Mail 3-5 days or Priority. Your choice at checkout. Direct replacement for the following: SATA JET 4000 ALL MODELS • I also have replacement seals available in my store for micrometers & Adam2 docks Thanks for looking. Please visit my store for other hard to find in stock items I carry. Any questions feel free to message me prior to purchase