I was afraid it would scratch the floor at some point

Very useful for keeping floors safe and furniture in place.

Does not slide around on hard floors anymore

Screw recess is deep with little risk of the screw eventually scratching the floor.

These work great on big subwoofers and big top cabinets, floor wedges.

Hard ones dented my hardwood floors.

Work great and don’t mar the floor.

These work great on big subwoofers and big top cabinets, floor wedges.

Using them on the couch (and a recliner) to keep it from scratching the hardwood floor, and to keep it from sliding around.

As a bonus, the cheap plastic feet on my recliners now will not be able to scratch my wood floors.

Should not scratch floors.

I don't have to worry about the bolt head pushing down and scratching the floor when someone sits on the couch, yet they're soft enough that they grip and keep it in place.