Mayo Scissors, Tungsten CarbideAs indicated by the gold handles, these Mayo Scissors have tungsten carbide inserts in the blades. Tungsten carbide (TC) is extremely hard and durable, giving you a sharper edge and blades that stay sharp longer. You get superior cutting ability and the scissors have a longer life, saving you time and money. The inserts help prevent blade deformation, resisting the wear and tear of standard scissors. The added sharpness also minimizes tissue trauma,