The high quality thermoplastic material is very well tolerated and stimulates chewing. Contact with the horse"s mouth is fine-tuned and thus promotes the horse"s contentment and readiness to perform. The rings are in stainless steel, likewise the internal steel cores in the bit. Make sure that the bit is in the correct position so that it cannot be damaged by biting. Thickness: 17 mm, Rings: Ø 6.5 cm