for use with Märklin ICE-Startset 29785, (oval track 184 x 84), consisting of 24 standard masts (cat no. 4110), 4 middle masts (cat no. 4112), 9 catenary wires 360 mm, 7 catenary wires 172,5 mm, 16 catenary wires 142 mm and 2 variable catenary wires (cat no. 4139)