This is 6 tier commercial grade wire shelf,you only need to spend 15min to install it.The shelving unit is made of steel wire shelving.The total weight limit of the whole shelf is 2100 pounds when equally distributed on feet levelers.Maximum entire unit weight capacity is 510lbs when equally distributed on casters.You can use the feet levelers or wheels to suit your needs.The storage rack provide an enormous amount of space for you.You can use this wire shelving in the kitchen bedroom garage Large commercial warehouse. Features Brand new and high quality. Easy to assemble, no tools needed. Create addition space, no occupy too much space. Sturdy metal construction,can withstand heavy objects. Wire shelf surface is an anti-corrosion coating. Immovably or Portability,use the feet levelers or wheels to suit your needs. Adjustable,The shelves can be placed higher or lower in 1-inch increments.Easy to store things. Multifunctional,suitable for bathroom kitchen garage Large commercial warehouse and more,Tools, books,clothes,bag and other things can be placed on it.