Our brand new Honos tool hook has been developed in close cooperation with professional Arborists. It is lightweight but strongly built to carry a chainsaw or other more heavy tools when attached to the Koala harness. Available in three bright colors to make it good visible on your harness during work up in the It comes in two versions; large & small where the large version is equipped with a secure locking system once its attached to the side of the harness. Also we developed the gate to stay in place at all times, and a large hole to connect the end of your chainsaw or tool lanyard. The small version is equipped with a double hook fastener to keep it firmly secured onto the harness.tree.