- Designed with durable steel construction black textured powder coated supports bigger and heavier equipment up to 125 lbs. load capacity- Designed to fit standard 19 racks and cabinets with 3 deep side rails- Used with all ICCMSR19xx 2-Post Distribution Racks and ICCMSR4P84 4-Post Distribution Rack- Shipped two halves 10 shelves Joined by mounting screw.- 2 rack mount spaces (RMS)- 20 deep double-sided solid bottom shelves support bigger and heavier equipment