Nothing like that came up when i searched their website just hardboards 3 4 thick.
How to protect hardwood floors when moving a refrigerator.
Another option is to use felt furniture slider pads and spare laminate flooring panels.
There are a lot of ways to protect hardwood floors when moving a refrigerator but i personally believe that the easiest way to do it is to use furniture sliders by x protector simple because it what worked for me.
A fridge is extremely heavy if you try to move it without using furniture sliders it will definitely scratch your floors simple because hardwood flooring is extremely sensitive to.
I saw your suggestion to try masonite sheets from a big box store to protect the floor from dents.
Whichever you choose tilt the refrigerator slightly away from you just high enough to slide the protector under the front casters on the left and right side.
I have engineered hardwood floors in the kitchen.