Matching with Micro Pliers and Micro Needles used for hair elongation.
Size : 3.5*2.0*2.5 mm (diehead threading/no threading) 4.0*2.7*2.7 mm (diehead threading/no threading) 4.5*3.0*3.0 mm (diehead threading/no threading) 6.0*4.5*4.5 mm (no threading) 4.5*3.0*6.0 mm (no threading) Numbering rule is: outer diameter*inner diameter*length (unit: mm)