What is a significant advantage of Hi-Lok type fasteners compared to earlier generations?

The significant advantage of Hi-Lok type fasteners is that they can be installed with ordinary hand tools. This feature simplifies the installation process, making it more accessible for technicians without the need for complex or specialized equipment. By relying on standard tools, Hi-Lok fasteners provide ease of use and improve efficiency, as they can be installed quickly and with minimal training.

The other options refer to traits that do not properly characterize Hi-Lok fasteners. While some fasteners may require specialized tools, Hi-Lok's design specifically allows for installations to be done with basic tools, enhancing versatility. Although lightweight characteristics and temperature resistance are important attributes in fasteners, the key distinction of Hi-Lok is its user-friendly installation method, making it an appealing choice for various applications in sheet metal structures.