1. Package: 20 pcs mixed tattoo cartridge needles, includes 5 pcs each of 1207RL, 1209RL, 1211M1, 1213M1. 2. Enhance your tattooing skills with these premium tattoo cartridge needles, perfect for both professional tattoo artists and beginners. Our needles feature a configuration, that provides a smaller diameter than traditional needles for more precise and detailed work. Create fine lines, intricate designs, and shading, thanks to these needles\' exceptional performance. 3. These universal cartridges are compatible with most rotary tattoo pens, making them a versatile choice for any artist. Each tattoo cartridge needle is individually packaged and sterilized with E.O. gas, ensuring maximum safety during the tattooing process. These needles are made of high-quality 316L surgical stainless steel and medical-grade plastic, ensuring durability and reliability. 4. Stable, anti-backflow design includes a secure silicone membrane to prevent ink or blood from leaking into your tattoo pen, as well as a stabilizer to prevent needle tip wobbling. This design ensures a smooth and consistent tattooing experience, giving you the confidence to create your best work. 5. Overall, these tattoo cartridge needles are a superior choice for artists who demand the highest quality and performance from their tools. Buy today, and elevate your tattooing game to the next level.