load capacity- Designed to fit all standard 19In.RACK SHELF, 15in DEEP, 3 RMS, 2 PK wide racks and cabinets- 3 rack mount spaces RMS- Includes mounting screws- Constructed with durable steel construction- Black powder coated Deep Rack Shelf 2 Pack- Designed with durable steel construction, black powder coated, accommodates bulk equipment and supports up to 75 lbs..