Felt Ring Buffs inside ring large size is used for polishing inside large size round rings, men's jewelry rings and can also be used for round hoops, it is an internal polishing buff. This is a 6” Ring Buff that has 6” of the highest grade of wool felt mounted on a tapered wood reinforced mandrel, it is for use on tapered spindles, has a metal ring around the pin hole to prevent splitting. Ring buff measures 7-1/2” overall length and is tapered from 3/4” up to 1” in diameter.