4.0mm copper with flared edge l.blonde 100pcs

We offer Micro rings with an outer diameter of 4.0mm, an inner diameter of 3.6mm, copper with flared edges. The length of the rings is 6.0 mm. The copper rings are extra thin for an almost invisible connection. Micro rings are used for hair extensions using the Ring method. The color of the copper rings holds very well and does not peel off like with classic aluminum rings.