Sold as 2 UNITS at $13.91 per unit. (1 unit = 5 each.) For hobbies and model building. Each size telescopes into the next corresponding size. Easy to cut and solder. Brass. 1/8" D x 36" L. Manufacturer number: 1145. SKU #: 5032628. Country of origin: (TBA). Distributed by K&S Engineering Co.