Felt ring buffs for finger ring: 100% wool felt For high polishing the inside of the rings Felt ring buffs are made of 100% wool felt and mounted on a tapered wood mandrel. The wool felt with medium hardness. The felt ring buffs with more size for your choice, 3″, 4” and 5″. The big end of the wood mandrel with 6mm inner hole, you can use it on most rotary tools which with a tapered spindle. A steel ring is placed in the middle of the big end of the wooden mandrel. It can avoid the wooden mandrel cracked. Ideal for high polishing of the inside of the finger ring.
