Challenger all-purpose comfort jointed swivel mouth futurity Argentine short shank training bit is made from rust-free black steel. The sweet copper rollers on the mouthpiece encourages salivation for bit acceptance. Bit comes accented with 5-3/4" long studded sweet iron cheeks. The swept back short shank does decrease reaction time from your hand to the horse's mouth making this a mild bit. Features a 5" mouth with 2-3/4" long shanks.