• Effective on harder mouthed horses that don't respond to traditional snaffles
• Double wire mouthpieces send a strong signal to achieve desired results
• Each twisted wire mouthpiece is copper to help horses salivate
• 3 1/2" loose flat O-rings made of stainless steel
• Mouthpiece: 5"
• Bit diameter: 1/4" each; together they measure 5/8"
• #255511