Showman 5" medium port Weymouth Curb Bit with curb chain. This stainless steel bit features a 5" medium port mouth with 5" swivel cheeks. 
This bit is an English leverage bit, this is the curb bit component of the double bridle used in saddle seat riding and upper level dressage horses. This bit is used with a bradoon snaffle bit. 
 
Made by Showman Products.