Other, of circular cross-section

Dimensions of the regulators:

1) Width 20 mm, height 15 mm, wire thickness 3 mm.

(2) Width 25 mm, height 20 mm, wire thickness 4 mm.

(3) Width 30 mm, height 13 mm, wire thickness 2,5 mm.

(4) Width 40 mm, height 21 mm, wire thickness 4 mm.

The colour is nickel.