Check the listing for details. EATON B-Line 19" Low Profile Network Rack Mount Shelf, Black. Condition: New, Made in United States. Listed at 50.00 USD. EATON B-Line SB745S1919SFB Low Profile Shelf, Steel, Solid, 19" Rack Mount, Flat Black. Mounting: Rack. Load Capacity: 50 Lbs. Includes (4) #12-24 mounting screws.