These are universal needle cartridges.
 
These membrane needles are made to prevent backflow of ink and blood into the machine. The silicone membrane also allows the needle to run more smooth and quieter. Ink will less likely to clog due to the larger oval window opening of the needle.
 
Each needle cartridge is professionally sterilized and sealed in a separate package. The cartridges include lot numbers, production, sterilization and expiration dates to ensure the safety of clients. The needles are made of stainless steel and are super sturdy for an effortless pigment application.