Sliding beam brackets are used to allow movement in a treehouse build. Typically used in conjunction with fixed beam brackets. The standard slider is for larger trees closer to the ground.
Dimensions: Top plate 10" long, 2" wide with bolt holes offset to accommodate doubled up 2by lumber. Slider pipe is 5" long and fits all GLs(GL perch is 1 1/4" in diameter)
All of our Brackets and KneeBraces are designed to fit a 1 1/4" diameter GL