Happy Mouth bits are uniquely constructed with high tech plastics, making them soft, flexible, gentle and comfortable for your horse. The unique apple scent increases your horse's acceptance of the bit. Happy Mouth bits are non-toxic, flexible and long lasting with a stainless steel center core. The Peanut Racing Dee is available in 4 1/2'' width and is double jointed with a roller. The dee ring measures 3 1/8 x 2 3/8''