Answer: Titanium
Explanation:
Titanium is used as the most commonly and widely used material as metallic ligating clips because they have more durability, malleability than other materials.
This properly helps the metal to bend and form clip. It is also used because of its least reactivity and does not gets corrode easily.
It is highly biocompatible as it does not releases ions around the surrounding tissues and organs.
Because of all the above reasons, titanium is used for making metallic ligating clips.