Designed to provide cable management horizontally on the front and back of a rack, the black WMB series includes several variations and sizes. The wire management brackets featured smooth-edged fingers allowing cable to be pulled through at any location. Equipped with extended length covers to keep excess cable hidden. E Series Horizontal Wire Manager, Dual-Sided, 1U, 1.75" x 3.0" Front, 1.75" x 6.0" Back, Black, 1/box.