The Reinsman freter butterfly bit is made with a two piece sweet iron mouth to promote salivation. It has mullen relief and is distributes pressure evenly across the mouth. This low leverage bit is the perfect transition from a snaffle to a curb bit. It has a 41/2” stainless steel cheeks. The mouth is 5” and 3/8” in diameter. Made in the USA. Store indoors or in a tack room. Wipe or brush off debris after each use. Check for damage before each use. Reinsman Style Number 408.