how to transfrom the dim with arrow into a polyline with complete length

as title

I need to do this transform work massively

anyway to do this quickly?

just as the pic below:

thx!!

when explode the arrow will always be line with a triangle, easiest way is to creaet a polyline.

when explode the arrow will always be line with a triangle, easiest way is to creaet a polyline.

THX

but I think I find out the way

I can change the arrow type

just change to "line with no arrows"

then explode

that's work