PIPM Microneedling Derma Pen Kit Micro Needle Machine Wireless Electric Skin Repair Tools Face Facial Wrinkles Loss Stretch Marks Hair Regrowth with 12 PCS 36-Pin Replacement Cartridges KN2

I love it, does the job. It is a bit difficult to find the needles but def worth it.

The calibration of depth on needle is far from accurate and the dial is not tight and moves the depth of needle while in use. Highly unprofessional

Tried many replacement needles, same make look prefect but don't fit....