The Bridge Mount is made of 1/2 inch 6061 hight strength aluminum. Inside deminsion is 13 inches and 5 inches tall. The Bridge Mount has multible holes tapped and ready to mount any setup you have. Also can be paired with the Double Mount.
All of the Cornfield Crappie mounts will bolt directly to the bridge mount.
The Bridge mount gives all the taller mounts a much more sturdy wider stance for most all applications.