Dutton Bits Elite Series Hinge Port BitDutton Bits Elite Series Hinge Port Bit Mouthpiece Width: 4 3 4" Bar Width: 1 2" Purchase: 2 3 4" Shank: 5 3 4" Cheek: 8 1 2" Port Height: 1 1 4" Width: 1 1 4" Features: Copper inlay The Dutton Bits Elite Series Hinge Port Bit is designed for advanced control and comfort. Made from durable stainless steel, it features a hinged roller port that promotes relaxation through tongue relief and mouth stimulation. Calvary cheeks provide balanced leverage,