Derma Ultima A6 Replacement Cartridge 12 Needles 25 Pieces Blue 8cm

The 25 Dr. Pens come with sterile tips, each with 12 contacts

Compatible with Dr.Pen Ultima A6

Translucent nib for easy observation

Use:

Take the cartridge out of the sterilized package, insert the standard round slot into the machine slot, push the cartridge horizontally to the end, and rotate the cartridge counterclockwise to lock