The Middle Atlantic LBP-4A is an L-shaped lacer bar designed for strong and economical horizontal cable lacing and support. It features an angled 4-inch offset providing fixed tie points for secure cable management. The LBP-2A along with the LBP-4A and LBP-6A offers different offsets (2-inch 4-inch and 6-inch respectively) to accommodate the distance from the rear of equipment to the rackrail.