You receive AFX Accessories 70616 Bridge Support - High Bridge (3 Pack)
 
AFX track is famous for its high quality, ease of use, and a wide range of available accessories. Let your track designing artistry run wild with Bridge Supports previously available only in sets.
 
The High Bridge Support is 3 inches tall and can be uséd free standing or clamped onto a ground level track for double decking. The articulated support arm snaps onto any AFX 2-Lane track and can tilt up to 30 degrees while maintaining a solid base. Remove the support arm to make a very low 1/2 inch support.
 
If that’s not enough for you, combine with the Low Bridge Support to construct up to 3 whole levels of track.
Now that’s flexibility!
 
These are 100% compatible Any HO Scale tracks.