... acne treatment scar removal 0.2,0.25,0.3,0.5,0.75,1.5.2.0,2.5,3.0mm with CE ... removal acne treatment scar removal0.2,0.25,0.3,0.5,0.75,1.5.2.0,2.5,3.0mm1, Photon therapy ... operated close to accurate part of skin. 0.2,0.5,1.0,1.5,2.0mm Changeable tip2.specificationReplaceble derma roller 405 nm ... and easy to use 0.2,0.25,0.3,0.5,0.75,1.5.2.0,2.5,3.0mm 3.Contact ...