The Professional Hair Trimmer Pen is good for precise outlining of face hair, hair styling, or making complicated hair tattoos. victimization this pen a bit like painting! it’s attainable to form sleek and precise moves and form hair in any means attainable, a bit like drawing with a pen! Anti-slip handle and blade is simple to put in, safe & convenient to use. appropriate for professional salon hair style or hair cutting reception. Best industrial level quality, good quality, durable, reusable.