Classic Equine 7-1/2in Performance Chain BitClassic Equine 7 1 2in Performance Chain Bit Mouthpiece Width: 5" Bar Width: 5 8" Purchase: 2 3 4" Shank: 4 3 4" Cheek: 7 1 2" Bit Material: Sweet Iron Classic Equine Bit Logic 7 1 2" Performance Chain Bit A good tool for reiterating bend and flex. Mild and pinchless sweet iron mouthpiece is comfortable and applies even pressure to the corners of the mouth and tongue. 7 1 2" Cheek Series. The 7 1 2" cheek style is the next line up in the tool box.