Toner Refill Store 4 Pack Toner Plugs made specifically for Samsung ML-1610, 1750, 2010, 2150, 2250, 2550 Printers Toner Cartridges. These plugs are used to replace the old toner plug after refilling the cartridge and come in handy if the old toner plug is damaged in the refill process.

Here are some of the cartridges and printers that these plugs work in:

• Samsung ML-1610
• Samsung ML-1750
• Samsung ML-2010
• Samsung ML-2150
• Samsung ML-2250
• Samsung ML-2550