The SANUS ELM302 is a cable tunnel expansion kit that conceals and routes even the most complex cable arrangements. These easy-to-install 20" cable channels can be painted, cut and even routed around a corner. Simply attach the uniquely designed wall clips to the wall, secure cables and wires to the fasteners and snap the tunnels onto the clips. Kit includes two long cable channels, two 45º elbows, one joining clip, one 90º inside corner, one 90º outside corner and mounting hardware.