The Shires Small Ring Dressage Eggbutt Bradoon is designed to be used with a double bridle. It features a jointed mouthpiece and fixed eggbutt rings that prevent pinching. Made from stainless steel which is durable, easy to clean, tasteless and does not rust. Small rings proportioned for a small headed horse or pony. Buying Guide For more information about what bit might be best for your horse, take a look at our Horse Bits Buying Guide. Size Guide Available in Length: 3.5", 4.0", 4.5", 5.0" or 5.5". Mouthpiece Thickness: 14 mm. Cheek Height: 125mm (4.5"), 130mm (5"), 140mm (5.5"). Small rings proportioned for a small headed horse or pony. Mouthpiece thickness: 14mm. Cheek height: 125mm (4.5"), 130mm (5"), 140mm (5.5", 6").... Shires Small Ring Dressage Eggbutt Bradoon. Small rings sized for a pony or horse with a small head. The thickness of the mouthpiece is 14mm. Height of the cheeks: 125mm (4.5), 130mm (5), 140mm (5.5, 6). The most frequent material for bits is stainless steel. It is long-lasting, easy to clean, odourless, and does not rust. Stainless Steel