A Dee snaffle bit features extra control of the head. Its effect is a little quicker than the Eggbutt bits. Copper mouths will cause your horses mouth to stay moist. Snaffle bits place pressure on the tongue, bars and lips. This bit features a 10 mm mouth. All our Bits are High Quality German or Stainless Steel made by Coronet. Sizes: 4 3/4, 5"