Features 1、Stable Needle Stroke: With high elastic silicone film, can increase service life of needle, and reduce influence of microblading pen vibration on needle, making needle stroke more smooth and stable. 2、Fast Coloring: Use 0.35mm thin needle wire, reduce skin damage, good resilience can well work with high frequency movement of microblading pen, for rapid coloring. 3、Large Ink Storage: Adopting integrated and accurate structure, large row needle, large amount of ink storage, more convenient for artists treat large area shading, improve efficiency. 4、For Microblading Pens: A necessity shading cartridge needle of professional artists. Standard and groove design of needle top, with uniform force, suitable for most microblading pens and grip. 5、Stainless Steel: Smooth without impurities, no sensitivity to skin. Adopted individually Packaged and disposable design, safe and clean to use. Specification Item Type: Curved Shading Needles Material: Stainless Steel, Silicone, PP Quantity: 10pcs / box Cartridges Needles Type: Curved RM Packing: Each needle is individually packed Needle Wire: 0.35mm Needle Stroke: 3.5mm Purpose: Special for microblading, most of the market microblading machine pens. Feature: Fast coloring, large ink storage, fast needle stroke, 304 stainless steel. Package List 10 x Curved Shading Needles