AlBaCon German Silver 13 MM French MouthWe love the AlBaCon German Silver 13 MM French Mouth Bit because the high copper form of German Silver stimulates salivation and helps prevent dry mouth, yet it has the same appearance. Excellent bit for a horse beginning training or a school horse with beginner's hands. 13 MM French Mouth bit 55 MM Loose Ring German Silver Helps prevent dry mouth Stimulates salivation Sizes: 5. 25" 5. 5" 5. 75" 6" **Due to the contagious nature of the equine disease