The Derma Roller 540 Needles (0.5mm) is a professional-grade microneedling device designed for at-home skincare treatments. Featuring 540 fine needles and an ergonomic gold-plated handle, this tool helps stimulate collagen production and enhance product absorption for anti-aging benefits and skin regeneration. As this is a personal hygiene/skincare device, proper sterilization and careful usage are essential. The 0.5mm needle length is considered suitable for at-home use. The device comes packaged in a protective box and includes usage instructions. The gold-plated handle provides an elegant appearance while offering comfortable grip during treatment. This tool is designed for skin tightening and collagen stimulation therapy as indicated on the product packaging.