The #12 Curve Flexi Blade is great for creating crisp medium strokes. Considered to be universal. Can be combined with any blade. One of the most popular blades in our stock. Can be used to fill in between larger hair strokes during a eyebrow embroidery or microblading application. Has a flat smooth surface with fine workmanship compared to others that have a rough surface and are uneven. Comes 25 per pack