Spa Sciences derma microneedling and nano needling pen with 3 nano cartridges and 3 micro needle cartridges MICRO-NEEDLING -Fully adjustable needle depths SORA needling can start from 0.3mm depth to infuse serums into the skin. While 1.5mm-2mm depth to resurface acne scars, stretch marks and deep wrinkles. -Uses Micro Tip to assist with collagen induction, scar reduction, stretch marks and wrinkles. This tip can be used once per 4-6 weeks. NANO-NEEDLING Nano Tip to help apply anti-aging serums, resurface thin and sensitive areas, repair sun damaged skin and provide an exfoliating treatment. ● SORA 3-Speed Needling Pen ● 6 Cartridges (3 Nano, 3 Micro) ● USB Charging Cord ● User Manual