This is 6 tier wire shelf,you only need to spend 15min to install it.The shelving unit is made of steel wire shelving.The weight limit for each shelf is 250 pounds, and the total weight limit for the entire shelf is 1500 pounds. The storage rack provide an enormous amount of space for you.The spacing of each layer of this wire shelf can be adjusted.Another feature of this shelving unit is it is height adjustable in 1 inch increments.You can use this wire shelving in the kitchen bedroom garage. Features Brand new and high quality. Easy to assemble, no tools needed. Create addition space, no occupy too much space. Adjustable wire shelving,Easy to store things. Sturdy metal construction,can withstand heavy objects. Wire shelf surface is an anti-corrosion coating. Adjustable,The shelves can be placed higher or lower in 1-inch increments.Easy to store things. Multifunctional,suitable for bathroom kitchen garage and more,Tools, books,clothes,bag and other things can be placed on it.