Made from corrosion-resistant metal with a factory-applied finish, Nichiha's 3 in. x 10 ft. Metal Corner Key Trim ensures long-term performance in exterior conditions. It helps protect exposed panel edges from moisture intrusion and mechanical damage, while also serving as an aesthetic transition between wall planes. This component is especially useful for high-traffic areas or facades requiring precise edge detailing, providing both protection and design consistency within the cladding system.