Dutton Bits Solid Medium Port Bit with Swivel Shanks and Inlaid BarsDutton Bits Solid Medium Port with Swivel Shanks and Inlaid Bars Mouthpiece Width: 5" Bar Width: 3 8" Purchase: 3" Shank: 5 1 2" Cheek: 8 1 2" Port Height: 1 1 4" Width: 2" Bit Material: Sweet Iron Features: Copper inlay This bit will help encourage collection and flexion as this bit mainly works off of bar pressure where the copper on this mouthpiece is located This bit will give tongue relief where the port of the bit is located This bit will also