This Winco ALRK-20 20-tier sheet pan rack is a durable and efficient addition to your commercial kitchen. It has a capacity of up to 650 lbs, holding up to 20 full-size or 40 half-size 18" x 26" sheet pans with 3" spacing between each tier. It features an aluminum tube frame, 5" full-swivel casters, and requires assembly. The rack is NSF listed and fully assembled is measures 20-1/2" L x 26-1/2" D x 70" H. Optimize your kitchen space and maximize storage with this well-constructed and reliable rack.