Reinsman Steel Cowboy Ported Roller BitReinsman Steel Cowboy Ported Roller Bit Mouthpiece Width: 5" Bar Width: 1 2" Purchase: 2 3 4" Shank: 5 1 2" Cheek: 8 1 2" Port Height: 2 1 4" Width: 1 3 4" Bit Material: Sweet Iron Features: Copper rings in port The Steel Cowboy Ported Roller features a low sweet iron port mouthpiece with a copper roller, which helps encourage salivation and creates a softer feel in the horse's mouth. The low port applies pressure to the horse's palate and bars,