Nail Gel Brush/nail pen/nail tools 1,OEM service 2,Various hair number for ... choosing 3,Quality guarantee. Nail Gel Brush/nail pen/nail toolsOur factory supply low, medium and high quality brush ... ,squirrel, goat, OX hairs and etc.2)Ferrule: nickel, aluminum , brass with plated!3)Handle: wood, bamboo, plastic, glass.All material ...