Made of high quality stainless steel. This bit features 2" rings and a 15 mm mouth. Size: 5". A ring bit is generally associated with a snaffle bit. The bit ring is attached to the mouth piece. It has an effect on the action of the bit so should be considered when choosing a bit even though the mouth piece has a greater effect than the ring itself. Bits included in the ring bit category are: snaffle bits, bradoons and gag bits.