Classic Equine Short Shank Correction Port BitClassic Equine Short Shank Correction Port Bit Mouthpiece Width: 5" Bar Width: 1 2" Purchase: 2 3 4" Shank: 4" Cheek: 6 3 4" Port Height: 1 1 2" Width: 3 4" This short straight cheek with low port correction mouth. This bit applies pressure to the chin, bars, and corners, with added pressure to the tongue. This is a step up for a colt from the 6" Snaffle bit.