The Channel 421A3 is intended for cafeteria use. With a heavy-duty high tensile extruded aluminum construction, the double tray rack is perfect for walk-in cooler or freezer applications. It’s designed with 1” x 1-1/2” extruded aluminum angle heli-arc slides which are welded to the frame. The frames are 1-1/74” extruded aluminum tubing. This creates a durable product. So durable Channel offers a lifetime guarantee against corrosion and rust. The 421A3 comes standard with 5” non-marking swivel stem casters for easy maneuvering. Features & Benefits: Side load style 3” angle spacing Created to hold and store within walk-in coolers or freezers Heavy-duty, high tensile extruded aluminum, type 6063-T5 alloy Slides are 1” x 1-1/2” extruded aluminum angle heli-arc welded to frame Frames are 1-1/4” extruded aluminum tubing Standard 5” full swivel non-marking casters Casters are securely bolted to frame to facilitate replacements Specifications: Model: 421A3 Capacity: (20) 18" X 26" trays Warranty: Lifetime against rust and corrosion Dimensions: 36" H x 41" W x 26" D Approximate Weight: 35 lbs. Certifications: Made in USA, NSF