Stainless steel with inlaid copper mouth and copper roller. A gentle, pinch free mouthpiece that extends beyond the horses lips for better communication, plenty of tongue relief and resistance free action across the tongue, bars and lips. Flush brass fittings in the pinchless mouthpiece and cheekpieces with smoth, independent action from side to side. Fits 4 1/2 to 5 1/2 mouths.