London - Formula 1 teams are surprised about the high cost of the controversial 'Halo' safety devices that are mandatory for 2018.
Unpopular among drivers
Although unpopular among many drivers, fans and insiders, the partial cockpit cover must be fitted to every car from next year.
Germany's Auto Motor und Sport reports that, at present, three external companies have applied to the FIA to be able to supply Halo to the teams.
The magazine claims: "Those who meet the requirements can then sell Halo to F1, Formula 2 and Formula E teams.
Safety at a cost
But a big issue will be price, with insiders reporting that a single Halo will cost somewhere between €13 000 and €24 000.
Force India technical boss Andy Green. "It will be expensive.
"We not only have to order Halos for the cars, but also for the FIA load tests."