The shelves are easy to assemble and the instructions are adequate. They are held in place with plastic compression wedges that fit between the shelf posts and the 4 holes in each shelf. In my experience, this type of hold is quite secure (no doubt the reason that these shelves are rated to hold so much weight), durable and easy to adjust.
:Raybee Garage Shelving Units 5 Tier Heavy Raybee steel storage shelves is designed with adjustable connector, the height of each layer is not only adjustable through moving the cross bar up or down to meet different height of varied objects need, but also the boards can be assembled or disassembled into several different tier shelves, like 2 horizontal rack as workbench or 1 vertical rack for storage EASY ASSEMBLE WITHIN 10 MINUTES.
Furinno (99557BE/WH) Turn-N-Tube 4-Tier Multipurpose Shelf Display Rack - Beech/White
Metal Shelving Warehouse Shelving Heavy Duty Shelving Steel Shelving Best for light to medium weight merchandise, steel rack shelving is an excellent option. Your employees will easily be able to assemble, disassemble, and change the location of the shelving around the warehouse according to the shifting storage requirements. Steel shelving is assembled to the frame using a simple clip design.
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