NYX - Mechanical Eye Pencil Black - 0.34 g NYX Mechanical Eyeliner is available in a variety of shades. With its intense pigmentation this eye liner will give you a bold colour for an amazing look. NYX Eyeliner is a twist up pencil so no need for sharpening and your pencil is always ready to go!! This product covers like a liquid eyeliner, with a creamy formula it is long lasting. This smudge proof eyeliner glides on effortlessly. Berry Cosmetics is a supplier of health and beauty products to trade as well as individual customers. Cosmetics | Skincare | Beauty products.