Microneedling Needle Cartridge 10pcs

3-Lock cartridge design featuring a built-in isolation zone that prevents flow back. The cartridges are crafted of medical grade stainless steel and come in four sizes: 12, 18, 36 and R Nano. Each cartridge is individually packaged and sterilized with medical-grade EO gas and is transparent in color. For safety, the cartridge is capped and may be removed prior to treatment. 10pcs included in 1 box. The sterile needle cartridges come in four different configurations; · 12 pin - 0.25mm needle diameter - Best for targeted applications and for the face. · 18 pin - 0.18mm needle diameter - best for targeted applications and for the face. · 36 pin - 0.25mm needle diameter - Used on larger, more sensitive body areas. · Round Nano - 250um needle diameter - The round nano are great for skin rejuvenation and deep exfoliation. FEATURES · 3 lock cartridge design  · Separate built-in isolation zone to avoid flow back.  · Range of cartridge configurat