Clamp Tie. 6.1 Inches (155 mm) Length, No. 8 Screw, Intermediate. Black. Weather Resistant material has greater resistance to damage caused by ultraviolet light. Indoor or outdoor use. Used to secure a cable bundle to another surface such as a control panel, communication rack, wall or ceiling. Design allows for bundling before or after screwing clamp in place. One-piece construction for consistent performance and reliability. Curved tip is easy to pick up from flat surfaces and allows faster initial threading.