Panduit TMEH-S8-Q0 screw applied extra heavy cable tie mounts are designed for use with Panduit extra-heavy cross section cable ties for mounting cable, large wire bundles, or tubular shapes. Their unique cradle design provides maximum stability for cable bundling, routing and the support of large diameter and heavy cable bundles. Install with #8 (M4) screw. For outdoor use, made of Weather Resistant, Nylon 6.6, are black in color and come in packages of 25.