You are offerding on a Vintage Seiko SX-8030-BK Box of 10 Boxes Fabric Ink Ribbon Cassettes Time Clocks. Shipping will be 9.95. I only ship to the continental United States. TheSeiko SX-8030-BKis a specific fabric ink ribbon cassette used primarily forSeiko and Seikosha time recorders (time clocks)and older legacy dot-matrix or receipt printers.The suffix"-BK"denotes that it contains standardBlackink.Key Details & CompatibilityBecause specific regional or legacy model designations can vary slightly, this ribbon casing design is highly compatible across a broader family of hardware. It generally fits the following equipment:

• Seiko / Seikosha Time Clocks:Frequently used to replace ribbons in widely deployed time recorders like the Seiko QR series (e.g., QR350, QR375, QR395) and TP series (e.g., TP-10, TP-15, TP-20, TP-50).[1,2]
• Third-Party Time Clocks:Due to standardized hardware manufacturing, these cassettes are also interchangeable with certainAcroprint(e.g., 175, 3901, Patriot),Lathem(e.g., 100E, 900E, 1500E), andBürkmodels