PETZL - TREESBEE SCREWLINK, False Crotch for Tree Care INTENDED USE: Protects the tree and improves rope glide at the anchor. DURABLE: Triple thickness of termination on large ring side makes the webbing more rigid during retrieval. EASY TO USE: Terminations easy to identify with color coding. STRENGTH: The TREESBEE SCREWLINK has the breaking strength of 15 kN. WEIGHT AND LENGTH: Weighs 295 grams and is 110 centimeters long.