These are a pack of replacement cartridges made of 12 pins of medical-grade stainless steel needles for our Microneedling Pen, the Aqua Pen.

This 6-Pack contains the following Sizes:

• 2 Aqua Pen Cartridge of 0.25mm
• 2 Aqua Pen Cartridge of 0.5mm
• 2 Aqua Pen Cartridge of 1.0mm

Note: One Aqua Pen Cartridge can be used up to 3 times.