The Standard Yellow Zinc Plated GL® is 12” long with a 6” Perch and 1” Boss/Collar. It is made from 4140 steel quenched and tempered R-28-32 hardness.
The Yellow Zinc protects the Garnier Limb® from excessive rust in places where there is high moisture.
Garnier Limbs® are the foundation of a treehouse by anchoring the treehouse to a tree. GL’s® are designed to hold the load out away from the tree in shear.
Engineering report on this model available at: Stress Analysis Report Garnier Limb®
Instructional Video: See Below