Safco 5242 Steel Commercial Extra Shelf Pack includes two shelves and snap-together clips with a capacity to hold up to 500 lbs. per shelf and has 2000 lbs. overall capacity.This commercial extra shelf pack is ideal add-on for model 5241BL commercial wire shelving.- 2 shelves.- Weight capacity per shelf: 500 lbs.- Overall capacity: 2000 lbs.- Paint/finish: Powder coat.- Shelf adjustability: 1"" increments.- Material thickness: 10 (shelf surface), 3 (frame), 6 (wave pattern).- Assembly required: Yes.- Includes snap-together clips.- Easy installation without tools.- GREENGUARD Certified.- Safco Limited Lifetime Warranty.- Dimensions: 1""H x 48""W x 18""D.- Black steel.- Dimensions: 1""(H) x 48""(W) x 18""(D).- Material thickness: 10 ga(shelf surface), 3 ga(frame), 6 ga(wave pattern).- Sold as 1 Pack.This commercial extra-shelf pack by Safco is the ideal shelving solution for any compatible shelving unit. Maybe you're building a brand new storage system; perhaps you need a little extra room in your existing setup. Either way, each shelf has a 500-pound weight capacity and can be adjusted in 1-inch increments for convenience. You won't even need tools to create your organizational masterpiece as these two black powder-coated-steel shelves attach to your frame via snap-together clips..