Shires Small Ring Curved Mouth Eggbutt Snaffle Bit features smaller rings that are proportionate to a smaller head. The curved mouthpiece offers ample room for larger tongues. The Eggbutt design ensures stiller movement in the mouth, which is beneficial for horses that are hesitant with the bit. Constructed from stainless steel, this bit is durable, easy to maintain, tasteless, and rust-resistant. Available in 4.5", 5", or 5.5". Mouthpiece thickness: 12mm. Cheek height: 50mm.