Cable ladder bracket kit secures your data centers runway system vertically to a wall These cutting-edge smart Rack cable runway vertical wall brackets create a secure connection to the wall of your server room or data center. User-supplied hardware is required to secure the durable brackets to the wall. The mounting surface must be able to support the combined equipment load safely. Be sure to use Suitable mounting means when installing to cinder block, concrete, drywall or wooden stud the srlvrtbrkt is designed for straight cable runway measuring 1.5 x 0.375 inches (38 x 9.5 millimeters) in diameter, including Tripp Lite srcableladder and Srcableladder18.