Aluminium cargo ramps suitable for loading vehicles onto trailers or flatbeds.
Fixed ramp: 500 $
Extendable ramp: 750 $

Note:
The fixed ramp is in the category 'misc'
The extendable ramp can be found in the game menu 'placeable/buildings/tools'
The ramps can be grabbed and carried by hand.
The fixed ramp can be loaded and tied with tension belts.