Abstract: A hair curler device for winding hair strands in the application of spiral permanents. Two rod members are connected at one of their respective ends to a flexible elongated connector. The rod members include trapezoidal threads that cooperatively receive hair strands of a person. Removably mounted locking pieces embrace the rod members at a position along the rod members that substantially coincides with the end of the strand of hair being treated. A rubber band urges the free ends of the rod members toward each other.