1Adjustable Length: The stamp -cartridge can be adjusted from 0-3.0mm, allowing for customizable treatment based on your skinu0027s needs. 2Precision Treatment: The adjustable length allows for precise treatment, targeting specific areas with varying needle depths. 3Versatile Use: Suitable for various skin treatments including scar reduction, anti-aging, and skin rejuvenation. 4User-Friendly: Easy to use with a simple twist mechanism to adjust the needle length. Features: Adjustable Length: The stamp micro-cartridge can be adjusted from 0-3.0mm, allowing for customizable treatment based on your skin's needs. Precision Treatment: The adjustable length allows for precise treatment, targeting specific areas with varying needle depths. Versatile Use: Suitable for various skin treatments including scar reduction, anti-aging, and skin rejuvenation. User-Friendly: Easy to use with a simple twist mechanism to adjust the needle length. High Quality: Made with durable materials, ensuring long-lasting performance and reliability. Specifications: Color: white Handle Material: ABS Cartridges Material: Stainless Steel Adjustable Length: 0~3.0mm Package Weight: 86g Package Size: 162*45*40mm Package List: 1 * Roller 1 * Roller