21R shading Eyebrow Pen is different from other ordinary permanent make-up. It can match #21 round needles and is very fast to do shading with good effect. It can use for ombre brows alone and can be combined with hairstroking as well. It is not done by a machine.The pigments are manually placed into the skin. As with the handle of the machine the manual pen is equip ed with sterile packaged blades ( round blades.). The blade glides with gentle pressure over the skin.