Description
The Black Knight Peptides Spare 3ml Cartridge is designed for use with compatible reusable 3ml pen systems.
Ideal for keeping as a spare or replacement, the cartridge allows you to continue using the same reusable pen body without needing to replace the complete pen.
Compact and easy to store, it’s a useful addition for anyone using a compatible cartridge-based setup and wanting a replacement ready when required.
Supplied as one empty 3ml cartridge.
Please check compatibility with your pen before use.
