The Leverage Bit comes in various degree from a 0-45 degrees and various mouthpieces. This bit does it all - it has lift, whoa, rib control and finish on a horse. It pushes many buttons while not making a horse resentful of being handled. The less degree, the more control you have and the more degree, the less reaction time you get for a more sensitive horse. Most popular degrees are 25 and 45, and it comes in a regular (7 inch shank) and short (6 inch shank) ** You will select mouth piece once you hit purchase!**