Adequate to Meet Your Needs:: 1U, 2U, 4U and 8U, a total of 4 different types of rack and 16 screws for mounting type, you can meet your needs for installing rack panels, no need to install and purchase different types of blank rack mounting plates Proper dimension to apply: our server cable management has 4 different sizes, the size of 1U is about 19 x 1.75 inches, the size of 2U is about 19 x 3.5 inches, the size of 4U is about 19 x 7 inches, the size of 8U is about 19 x 14 inches, 4 models can be adapted to the 19 inches rack standard Serviceable and lasting: these mount panel spacers are made of metal material, with nice workmanship, the surface is deoiled, pickled, phosphated, electrostatic spraying technology, not easy to rust and reliable, frosted pattern is easier to install, can be applied for a long time Extensively applicable occasions: this blank panel can protect the internal equipment, dust and electromagnetic interference, so that dust and dirt away from the