FP PostBase # 58.0052.3038.00 Compatible Standard Capacity Fluorescent Red Ink Cartridge Set American Mailing Solutions and others do not sell Postageink products. Make sure it is sold and shipped by Postageink or Fulfilled by Amazon for True Postageink Quality! FP PostBase (OEM part # 58.0052.3038.00) Compatible Standard Capacity Ink Cartridge Set for PostBase Mailing Systems. Provides up to 4,000 impressions, depending on applications, and usage Compatible with all PostBase Models, 20, 30, 45, 65 & 85 Mailing Machines PIC10 is NOT compatible with MyMail or PostBase Mini Postageink only sells Postage Meter Ink and Guarantees our Products 100%. Make sure it's shipping from Postageink or Fulfilled by Amazon from Postageink!