I bought one of these for my newly refurbished old Ibanez Mando from the 70s (an F-5 copy), but haven't used it yet. I am surprised that it sounds like bone. I have not yet used it as I was tolled by another repairer, a bluegrass mandolinist, that it would sound too thin and annoying. I'll whack it in and see how it goes. Cheers mate. SB
Good stuff. Works about the same as bone but polishes up brighter and classier.