Dale Myers 8.5" Chain Square Port BitDale Myres 8. 5" Chain Square Port Mouthpiece Width: 4 1 2" Bar Width: 5 8" Purchase: 3" Shank: 5 1 2" Cheek: 8 1 2" Port Height: 1 1 2" Width: 1 1 4" The Dale Myres 8. 5" Chain Square Port bit is a finely crafted tool designed for riders seeking precise control and effective communication with their horses. This bit combines exceptional craftsmanship with a functional design to provide riders with optimal handling and performance. The shank of this