Route cables along the rail and this joint allows the cable run to make a 90-degree change in direction, to go up or down a wall, for example. Make your cable runs look like they were professionally installed with this professional Cable Management. SPECIFICATIONS Product Category_ Cable Cover Rank_ Standard Material_ ABS Dimensions_ 127x127x21.5mm (5"x5"x0.85") Installation_ Snap-On Color_ White Accessory Kit Package_ No Instruction Manual Included_ No