This is the EWI Tourcase tm Deep Rack Shelf available in two heights:
RF3UAD (5 1/4") high
RF4UAD ( 7" ) high
This is a basic metal rack shelf made from 14 gauge steel, suitable for mounting non-rackable equipment in conventional 19" racks or for drilling in custom applications. The width is 17" between side walls, the depth is 14 3/4" and the finish is matt black powder coating. Each shelf comes with 4 rail screws and washers.