The microneedle is 10pcs/set,The microneedling needle only for bayonet machine such as dermapen A6/M5/M7/N2,please checked carefully if this one can fit your machine.
Dermapen needle cartridge:The cartridge needle made by 316 stainless steel.Every needle is single packing.
Just replace the derma pen needle.micro Needle length is adjustable to different sizes depend on the areas and purposes of the treatment.
Dermapen needle 36pin :The depth micro needle can be adjusted (0.25mm-2.0mm), a significant treatment improvement.