Professional 4 space rack Cover Comes with removable top front covers rear AC Door pre-tapped rack rails with mounting hardware Twin durable Spring loaded recessed carry handles DEEJAY LED TBH4UBPDESIGNED WITH FLEXIBILITY IN MIND: Made of good quality cold-rolled steel with an electrostatic powder coating Shelf can support up to 110 lbs. Maximum mounting depth of 41.75" and a minimum mounting depth of 17.75". Compatible with any 19" enclosureADJUSTABLE AND STURDY DESIGN: It offers a simple way to effectively organize mission critical computer hardware in your server racks and cabinets. It has slotted venting to improve air flow and to help prevent overheating of your equipmentHASSLE-FREE RACK SHELF: Save space in your office or server room by placing non-rackmount IT or AV equipment on your rack 1U server. Ensure your equipment are secure with sturdy Computer rack shelf. Improve airflow in your cabinetPROPERLY SECURE EQUIPMENT: Punched shelf bottom can be used to attach non-rack and half-rack components. promotes good ventilation. Designed for IT racks, music studio racks, and all standard rack systems. Made from steel with ventilated bottom slotsTWIN SPRING LOADED RECESSED HANDLES: Lightweight, one-piece design allows for reliable and uniformly distributed support for tools, documents, parts or other items. Constructed from steel and finished in Black electrostatic powder coating