Slides Mounted on Both Sides Standard 19″ Rack Width Rack Brackets on Front and Rear Adjustable Depth: 14.2 to 18.9″ Usable Surface (WxD): 16.2 x 14.9″ Weight Capacity: 55.1 lb Looking to mount a tabletop device into your 19″ equipment rack? Check out the Adam Hall 19″ Rackmount Pull-Out Tray, a standard 1 RU rack tray with drawer slides that mount to both sides. The rack brackets on the front and back are extendable, allowing the unit to be fitted with rear support to racks of varying depths. The tray is made from black powder-coated steel and provides an adjustable mounting depth from 14.2 to 18.9″. With a weight capacity of 55.1 lb and a usable surface of 16.2 x 15″ (W x D), the rack tray will house most devices.