【EXTREMELY DURABLE】Wire shelving made of heavy steel, it has excellent rust resistance and oxidation resistance. The 6 tier shelf unit passed NSF certified, safe and reliable. Storage rack are perfect addition to home, office..【ADJUSTABLE DESIG】Each shelf can adjustable in 1-inch increments, adjust the shelf height according to size of the item, meet your different needs, get the best shelf units. Create two new 3-tier shelf by splitting the top pole, you can split it according to your actual needs and achieve multiple uses..【LARGE CAPACITY】Heavy duty shelving with leveling feet - each layer shelf can hold 350lbs (evenly distributed), maximum load capacity is 2100 lbs. It is recommend that heavy items on the bottom shelf for maximum stability..【EASY MOVEMENT】Garage shelves have 4 leveling feet, 4 nylon wheels(2 lockable). Wire rack on wheels can be easily positioned in supermarkets, garages, closets, kitchens, porch, pantry, etc. Height-adjustable leveling feet can be placed on uneven ground- simply twist to stabilize. Non-slip, will not scratch ground..【EASY TO ASSEMBLE】With detailed instructions and no tools required, you can install it easily with another person within 15 minutes. There are many parts in the package, Please feel free to contact us via Buyer Message if meet the case of missing parts and assembly.