Correction Bit5 16" Sweet Iron Correction Bit with Copper Stripes. An attractive, well balanced shank with medium plus leverage. Mouthpiece bars are molded so it's comfortable for the horse to carry. Sweet iron and copper create moisture for a softer mouth. The port has slight palate pressure for better headset and more control. It works great on the trail and in the arena. Best used for roping, reining, barrels and trail riding. 7" Cheeks. 5" Mouth. 1 5 8" Port.