The Bombers Elliptical Roller is made of sweet iron, which is designed to heighten the horses awareness of the bit. When the rein is used this mouthpiece wraps across the tongue creating tongue pressure and reducing bar pressure.
All Bombers bits are made from blue sweet iron, which does oxidise after use.
This is a lovely quality, neat pelham only lightly used and in very good condition.
This bit is 125mm - bombers stamped - which equates to just less than 5" in measurement.