APC AR8122BLK rack accessory Adjustable shelf

APC AR8122BLK. Type: Adjustable shelf, Product color: Black, Housing material: Metal. Width: 18.5" (470 mm), Depth (max): 26" (66 cm), Height: 1.73" (44 mm). Package width: 22.7" (576 mm), Package depth: 3.5" (89 mm), Package height: 30.5" (775 mm)