Glass with Twists!!! Reticello rods are decorated with colored glass threads and/or ribbons twisted in a clear glass overlay. This fascinating specialty glassis wonderful for all kinds of lampworking, fusing, bead making and jewelry. Because of individual manner that the glass is made the dimensions vary between 5-8mm. Rods are approximately 12 1/2" (318mm) long. Produced by Effetre Industriale S.P.A. We also have Effetre Filigrana listed here.Filigrana rods are a core of color encased with clear.