[quote=Mike-in-Orange]Looks one of the rubber feet from my Rhino ramps. Do you have a set of these ramps that you've used recently, for an oil change perhaps?[/quote
Bingo. Exactly Mike, thank you. I had it up for a coolant flush. I've only used the ramps a few times since I've had them, and never bothered looking at the underside. That's a relief, . Bob