RACK CABINET 28U The Studiospares Equipment Cabinet is constructed from 18 gauge 1mm thick steel. Sides are secured to top and base units by Black M4 screws driven into hank bushes for strength and rigidity. The cabinet design is symmetrical enabling equipment to be mounted from front or back or both. Equipment recessed by 23mm. The cabinet is well constructed with much attention to detail. For durability, all surfaces are coated in Black epoxy resin. Depth between front and back supports 390mm. Dimensions - 28U 545 x 1340 x 435 mm. Image shows the 12U version.