This is 5 commercial tier wire shelving, you only need to spend 15min to install it. The shelving unit is made of steel wire shelving. It’s NSF certified. Maximum weight capacity per shelf is 150lbs when equally distributed on feet levelers. Maximum entire unit weight capacity is 220lbs when equally distributed on casters. You can use the feet Levelers or wheels to suit your needs. The storage shelves provide an enormous amount of space for you. You can use this metal shelf in the kitchen bedroom garage. This commercial wire shelving can make your room more tidy. Brand new and high quality. rack storage shelves wire shelf wire shelving unit rack storage shelves shelving wire shelf shelving unit wire shelving metal shelf Metal rack storage shelf Metal shelves wire rack garage shelving metal shelving wire shelves heavy duty shelving rack shelf storage Rack metal shelving unit wire rack shelf garage shelving unit wire shelving unit shelving unit with wheels storage shelving utility shelves rolling shelves adjustable shelves shelving unit heavy duty metal storage rack Storage racks wire rack shelving units and storage Steel shelving metal wire shelving storage shelves Heavy duty heavy duty shelving unit metal shelf unit steel shelving unit storage shelving unit wire shelving rack metal rack shelving layer