Round 7 Shank LONG, with 3/8" High Port.   The LONG is 8 1/2" in length.    Mouthpiece is 5" wide.  Shank Material is 3/8" diameter giving this bit more weight.  The Round 7 Shank comes in Blued Steel and Stainless Steel.  As always the 3/8" High Port is steel and includes Copper Inlayed Bars to promote salivation.    For the bigger, stronger horses, this shank is helpful for front face and poll control.