Tripp Lite Rack Cantilever Fixed Shelf 2-Post 4-Post Compatible 2URM Components SRSHELF2PX2 Color: Black Height (Rack Units): 2U Product Material: Cold-rolled steel Double sided 2U cantilever mount fixed shelf 2- or 4-post rack compatible 18-inch shelf depth on each side 36 inches in deep, enough to support extra deep equipment 120 lb. weight capacity Required mounting hardware included 5-year limited warranty