This discontinued yarn was manufactured by Sandnes when the company was known as Sandnes Uldvarefabrik

Quoting the vintage leaflet that calls for this yarn:

Tvinngarn er 3 tr. 7mm kardegarn spunnet av ublandet norsk ull. Spesialgarn for kofter og husflidarbeider. Sterkt og mykt med rene vakre farger. Spør etter Tvinngarn når De er ute etter et godt garn til sportsplagg, husflidarbeider og et utmerket vevegarn.

“Tvinngarn is a 3 ply 7mm carded yarn spun from unblended Norwegian wool. This yarn is especially suited for the traditional norwegian “kofte” and handicraft work. Strong and supple with clean and beautiful colors. Ask for Tvinngarn when you are looking for a great yarn for sportswear, handicraft work or weaving.“