We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Porelon 11209 twin-spool calculator ribbon cartridge black red nylon

Porelon

Porelon 11209 Ink Cartridge Twin Spool Black/Red

SKU CH-VKX2-2F060 MPN 11209

Twin-spool nylon ribbon cartridge supplying black and red ink for compatible calculators

  • Twin-spool design prints black and red characters
  • Nylon ribbon material resists smudging for clean output
  • Replaces multiple OEM part numbers including M-310 and RB-2
  • Ready-to-install cartridge fits compatible calculators instantly

Universal Twin Spool Replacement

The Porelon 11209 is a nylon ink ribbon cartridge designed for calculators and adding machines that accept a twin-spool format. It delivers black and red ink on a single ribbon, making it suitable for accounting work where positive and negative figures must be distinguished. The cartridge replaces original equipment parts numbered M-310, RB-2 and 013091.

Compatible Part Coverage

Using this aftermarket ribbon means one SKU covers several manufacturer part numbers, reducing the number of separate items a business needs to stock. The twin-spool design installs in the same way as the original ribbons it replaces, so no adapter or modification is required. It is not intended for printers that use single-colour or cassette-style ribbons.

Highlights

  • Twin-spool design prints black and red characters
  • Nylon ribbon material resists smudging for clean output
  • Replaces multiple OEM part numbers including M-310 and RB-2
  • Ready-to-install cartridge fits compatible calculators instantly

Specifications

BrandPorelon
Shipping weight0.23 kg
Package size203 × 152 × 51 mm

Questions about this item

When will the twin-spool ribbon in the 11209 cartridge need replacing?

Replace the cartridge once the black or red ink is depleted; the twin-spool design means both colours share one unit.

What print-quality limit appears first during long calculation sessions?

Extended use will gradually fade the black and red characters as the nylon ribbon exhausts its ink supply.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.