Several sizes: 5 -piece nail brush pen with 5 different sizes, the brush head size is 5/7/9/11/14mm, and the diameter of the spherical head is 1/1.3/1 , 5/2/2.5mm. High quality material: The Nail Art pen is made of high quality alloy, rhinestones and acrylic material, which does not deform or corrode, and is durable. The thinner bristles, bright imitation diamonds inside the handle, unique and elegant design, more suitable for painting. Double tip design: each brush has 2 different brush heads. The brush head is used to draw lines, and the metal ball head is used to make points