Features 1、Easy to Use: Simply open the brush tip and twist the knob to adjust the microneedle pen to your desired length for a hassle free at home beauty experience. 2、Adjustable Needle Length: The microneedling roller comes with customizable needle lengths between 0‑3mm, allowing personalized use for different skin types and conditions. 3、Versatile and Portable: Convenient for at home and on the go use, this microneedle pen is perfect for daily care of your face, scalp, beard and body, fitting comfortably in any travel bag. 4、Premium Material: Manufactured with 140 independent stainless steel needle, the roller promises durability and longevity, resisting any bending during use. 5、Ideal Gift Choice: Give your loved ones with this professional grade roller, paving their way to a premium skincare regimen right from the comfort of their home. Specification Item Type: Microneedling Roller Pen Material: Stainless steel + ABS Needle Length: 0-3mm/0-0.12in Needle Quantity: 140 Color: White Package List 1 x Microneedling Roller