Rack Guards are equipped with rubber bumpers.
Press Release Summary:

Original Press Release:
Rack Guard With Rubber Bumpers
Economically protect against damage to pallet racks, wall corners as well as your fork trucks and pallet trucks with the Structural Rack Guards with bumper protection. Constructed of 6" "C" channel with a yellow powder coat paint finish, these rack guards are available from 12" to 24" high with a 4-1/2" opening size. The extruded rubber bumper that fits on the front of the structural rack guard helps protect fork trucks and pallet
trucks as they may run into the guards. Mounting hardware is available.