APC Fixed Cantilever Shelf 50lbs/22.7kg Black

Cantilever Shelf. Cantilever (2 post) mount, Occupies 2U of rack space, Ventilated . Includes: Installation Guide, Mounting hardware, and Shelf
APC AR8105BLK - Click to enlarge

APC
Price: $69.99
NOW: $62.20
Save: $7.79
Dimensions3.5" x 19" x 16"
Question: what metal is it made from ?
Answer: Thank you for your inquiry. According to the manufacturer, the shelf is made from Cold Rolled steel.

Question: could this rack shelf be used for mounting not-rack mounted devices? and does it fit in NetShelter(TM) SX Cabinet (AR3100) APC?
Answer: Thank you for your inquiry. Yes, this 2-post rackmount shelf could be used to set non-rackmounted equipment on. The shelf will support up to 22.7 Kg (50 Lbs) of weight. According to the manufacturer, this unit can be installed in any Netshelter enclosure and should fit the APC AR3100.