GYID - Guard Your ID Wide Roller Refill (IS-007CM) This fits (IS-500CM)

Keep others from seeing your private and confidential information.                            Unique pattern obscures printed text of any length.
Self-inking stamp cartridge.
Specially formulated, oil-based ink.
Retractable ink cartridge allows for easy storage.
Perfect for bills, statements, cashed checks, credit card offers and more.

Stamp Width: 1 inch 
Will cover 6 lines of text at a time.                                                                        
Good for approximately 1,600 uses.

Model # IS-007CM-US