... company can supply you the best quality micro ring Micro Rings,Micro Links, Extension tube Size: 3. 00mm, 3. 50mm, 4. ... ,4.0X2.7X6.0mmMaterial: copper micro ring, Aluminum micro ring with screw and without screw, silicone micro ringColor: Black, dark/med /light brown, ... Auturn, BlondQuality: Paint will not drop off, and they can be re-usable Copper micro ...