3/8" Bars with Middle Rings Snaffle Bit. Shanks are 7" This Twisted Shank Lifesaver gentle mouthpiece is suitable for all horses. The O-Ring in the middle of the mouthpiece, helps to keep the horse's attention and the copper rings encourage salivation. Cheek pieces move independently for shoulder control. Seven Style Shank prevents the hose from "lipping" at the bit