Panduit PLC2H-S25-TL0 Locking Clamp Cable Ties are used to secure cable bundles to another surface such as a control panel, communication rack, wall or ceiling. The cable tie design allows for bundling before or after screwing clamp in place, for use with #1/4 (M6) screw. Light-Heavy cross section, 9.0" (229mm) length. Made of Weather Resistant Nylon 6.6 with high resistance to ultraviolet light, are black in color and come in packages of 250.