To me it looks like part of the brake line.
Usually the lines go through the brackets and are just "clamped" to them using nuts.
Hard to tell if it's the hard line or flex line. Probably flex line though.


1986 Pickup extracab longbed "Woody edition"
SAS - 33's, 5.29's, lockright rear.

02 IS300 SportCross - my "DD"
94 2wd v6 extracab
04 Outback Wagon- wife's/family car