Innovation Universal Heavy Duty Rack Mount Shelf 1USHL116

General Information Strong 1/8″ steel construction supports up to 500lbs Rack Mount Shelves – Server Racks (4 Post) Works with square, round, or threaded holes Optional Straps, Anti-Slip Mats for securing equipment Physical Characteristics Form Factor: External Material: Steel Maximum Weight Capacity: 500 lb Rack Height: 1U Rack Width: 19″ Miscellaneous Package Contents: Universal 19″ Heavy Duty Rack Mount Shelf 4 x Rack Brackets Instructions Screws Cage-nuts Nuts Additional Information: Equipment Width: Equipment less than 17.7″ (450mm) wide (this limit is set by the standard 17.7″ opening in 19″ racks) Tray Depth: 28.0″ (711mm) Rack Depth: Mounting depth range is 15″ to 31-3/4″ deep (381-806mm) Round Hole Racks: Compatible with all standard round (non-threaded) holes, including HP and IBM Threaded Racks: Compatible with all standard threads including 10-32, 12-24, and Metric M6, including Chatsworth, Shark, Great Lakes, Middle Atlantic, Bud Square Hole Racks: Compatible with the industry standard 3/8″ (10mm) square hole racks, including Dell, HP-Compaq, IBM, APC Compatibility: UPS Units Storage systems Certifications & Standards: EIA-310 Product images may differ from actual product appearance.