10/50pcs Dr.pen Ultima A1 Replacement Needle 9/12/ 36/ 42/ Nano Microneedle Specification: Item: Needle Cartridge for Derma Pen Package: Individual Sealed Plastic Bag Sterile EO Gas Non Pyrogen Usage: Disposable Tips Application for: Dr.pen A1 Needle Length: 0.25mm Certificate: CE Type: Bayonet Tips Material of needles: Stainless Steel Advantages: 1..Does not destroy the structural integrity of the skin 2.Gradually remove the skin deep toxins and waste 3.Establish a direct transportation between skin and beauty product 4.Promote the skin metabolism 5.Improve the ability of wound 6.No side effect safe and reliable 7.Simple operation 8.Effect is more remarkable than the general beauty products 9. Derma pen needle cartridge for micro needle is your best choice for beauty and skin care treatments. Function: 9/12/36/42 pins used for MTS(Mirconeedle Therapy Sstem) Nano needle(squareroudess)using the advanced biological nanomete If you need the A1 pen for this needleplease click the picture to buy it 28428678;