Add a sturdy adjustable depth shelf into almost any server rack or cabinet the adjshelf adjustable mounting depth rack mount shelf offers a simple way to effectively organize mission critical computer hardware in your server racks and cabinets compatible with all 19in wide server rackscabinets the fixed rack shelf can be adjusted from 19in to 38in mount depth as necessary a sturdy cold rolled steel construction provides long term durability and enables a weight capacity of up to 175