... .100pcs per jar,1000pcs per bottleMicro Rings,Micro Links, Extension tube Size: 3. 00mm, 3. 50mm, 4. 00mm, 4. 50mm ,5 ... micro ring, Aluminum micro ring with screw and without screw, silicone micro ringColor: Black, dark/med /light brown, Auturn, BlondQuality: ... ) Finish – Slide out the extension hair after opening the ring. High quality silicone micro rings micro beads for hot fushion hair extension