Middle Atlantic's LBFR-2036-T Telescoping Lacer Bar System provides effective cable management for efficient distribution and proper strain relief of cable within your rack. Vertical lacer strips and thin power strips can be mounted through the perforations. The two bars can be adjusted to fit any Middle Atlantic rack enclosure 20 to 36 inches in depth with a useable rack depth of 21-3/8 to 37-3/8 inches front to back.