Stübben Steeltec Sweet Copper Bradoon Bit w/ Lozenge 55 mm RingSweet Copper for better acceptance. No nutcracker effect. No pressure on the palate. Balanced pressure distribution on the tongue and jaw. Loose rings enable ideal position in the horses mouth. Use the smaller sizes as a pony snaffle and the larger sizes as a bradoon. Thickness: 14mm Ring size: 55mm Dressage: FEI, USEF, USDF, USEA Eventing: FEI, USEF, USEA Jumping: FEI, USEF, USEA These approvals are the best information we have at this time, but