Stainless SteelSizes: 5, 5.5Apple scentedPolymer mouthpiece452950 Typically used with two sets of reins, a gag rein and a snaffle rein. They work on the horse's lips and poll, and are useful for horses that lean on the bit or get heavy on the forehand. The unique Apple scent encourages horses to accept the bit and the space age polymer provides for a gentler bit for a happier horse.