Intellinet # 681074 19” 4-post Rack Mount Vented Sliding Shelf supports up to 176 lbs with Cable Arm SH4S-INT-681074V-BK Features: > Four mounting points on sides > Complete with rear cable management System > Slotted (Vented) > Heavy Duty Load capacity: 176 lbs. > Hardware included, easy to install > Material: Sheet steel > Color: Black Specifications: > Vented Sliding Shelf with Cable Arm > Size: 19" Rack Mount x 29.3" Depth > Mounting: adjustable 25.6~32.3" > Supports: up to 176 lbs > Extends: 24-inch (slide-out)