Fillets

Heb. hashukum, plur., joinings (Ex. 27:17; 38:17, 28), the rods
by which the tops of the columns around the tabernacle court
were joined together, and from which the curtains were suspended
(Ex. 27:10, 11; 36:38).

In Jer. 52:21 the rendering of a different word, "hut",
meaning a "thread," and designating a measuring-line of 12
cubits in length for the circumference of the copper pillars of
Solomon's temple.