3/8"-24 female fittings on each end with a slot for a hose lock clip.

NAPA P/N Length
23057 12 1/8"
36609 11 1/2
36654 11 5/8
36574 13 1/8
36575 17 15/16
36579 10 1/2
36599 12 1/2
36608 12 3/4
36614 14 7/8
38872 25 7/8

The hose clip is p/n 80742