This Martha Josie bit has tear drop style shanks that are 5 ¾ inches. The mouthpiece is 3 pieces, consisting of twisted wire either side of a dog bone. This mouthpiece measures 5 inches with a 5/16 of an inch diameter.  This bit has a curb chain, a noseband, and bit guards. 

Mouthpiece 5"

5/16" Diameter

Dog Bone