The Bridge Treehouse Attachment Bolt or "stubby" as we sometimes call it, is used much like a normal TAB. You can use them in cases where having a longer TAB wouldn't work. We use them for bridges and heavy duty backups.
Boss length: 6"x3"
Stem that sticks out of the tree: 7" long
*After your purchase is complete, you will be provided with installation instructions. Please see the "order note" in your confirmation email to access these.
Here is a video for a Standard TAB, however the installation is similar: