Horses with the tendency to firmly clench the bit will let loose from the mouth piece and start normal chewing on the bit. Widths in cm: 12.5 / 13.5 / 14.5 cm Widths in inch: 5" / 5 1/4” / 5 3/4" Ring-Ø: 65 mm Thickness: 16 mm Better acceptance Pleasant sweet taste of the middle piece Encourages chewing and salivation Solid copper composition (90% Copper, 7% Iron and Aluminum,...