The runner is intended for installation on Czech current collectors of type 2SLS AC electric locomotives. Runner consists of a carcass and two rows mounted on it, 5 pcs each. Also, there are coal inserts of types A and B of profile No. 2 according to «TU-1916-020-27208846-99».
It has an increased distance between rows of inserts, ensuring uniform wear of inserts.
The weight of the runner with 10 coal inserts is no more than 10 kg. The carcass is completed with a copper tape substrate mating with coal inserts, horns made of steel pipe, steel clamps and fasteners.