Clamp Tie. 6.1 Inches (155 mm) Length, No. 8 (M4) Screw, Intermediate Cross Section. Black. Heat stabilized material for high temperature applications up to 239 degrees Fahrenheit (115 degrees Celsius). Indoor 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.