Centaur Eco Pure King Dee Jointed Mouth BitWe love the Centaur Eco Pure King Dee Jointed Mouth Bit because it is a classic, simple bit. Great for the hunter ring or with beginner's hands. The Eco Pure is safer for your horse's mouth than rubber with added comfort. Engineered with Materials that pass REACHs Strict Standards, safe for not only your horse but Mother Nature as well. Jointed Mouth Bit A Refined Thinner Mouth Better Strength and Abrasion Resistance Environmentally Friendly Sizes: 4"