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.... (read more) Dee bit is a mild snaffle. It's ''D'' shaped rings help with lateral control of the head. Its effect is a little stronger than the Eggbutt bits. This bit features a 13 mm mouth.