Dr.pen A6S Cartridges (16pin x 50) The needles are made of high quality surgical stainless steel and titanium. The 16 pin cartridge head suits smaller areas better and is unique to the A6S model. The 16 pin cartridge features the finest needle gauge at 0.18mm thickness, which allows for precision skin application. DR.PEN A6S Please note: Ensure to use a new needle cartridge each time you microneedle. Each cartridge comes in a sterile pack.
