[42PIN]
[9PIN]
[24PIN]
[36PIN]
[12PIN]
Needle cartridge for Microneedle Derma Pen. 2. Best beauty tools for face and body care. 3. Individually packed: use a new one every time, do not reuse. 4. The package includes 10 pieces of 12-pin replacement derma pen needles (not together with the machine). 5.For personal use only, do not share with others to avoid infection.Installation: Place the needle vertically over the head of the micro needle instrument and carefully screw it clockwise along the thread. Disassembly: unscrew needle counterclockwise; Note: please do not apply too much force