The Combined Nomenclature (CN), v1:2018
6603 20: Umbrella frames, incl. frames mounted on shafts "sticks", for umbrellas and sun umbrellas of heading 6601
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=97dd4f6e-1b47-43b5-8532-380d3d1b7c2f