Coronet products are made of the finest metals and materials and are held to the highest standards of quality control. Every piece is polished and inspected before leaving the factory. Close attention is paid to detail to make sure that all items will pass the criteria for breed and disciple regulations where appropriate. Gently shaped bit with copper and stainless steel rollers. The rollers act as a pacifier and helps keep the horse's mouth soft and moist. 15mm mouth. Great bit for young horses.