1.75" Heavy-Duty Static BracketThis static bracket attaches to our Heavy Duty Treehouse Attachment Bolts with the 1 3 4" sizing. It is useful when perching a beam on top of a tree house fastener and you do not want left to right movement. Lag screws are used for attaching the bracket to the beam perched above. Static brackets will only allow movement in one direction vs a floating bracket that allows 360 degree movement. Depending on the treehouse design, there is a time & place