The weight limit per shelf is 220 LBS without wheels. 3″ commercial castor wheels with two that lock for safety Height adjustable non-rolling/stationary feet included, allows shelving to hold up to 220 lbs. per unit NSF rated for food safety Shelves adjust at 1″ increments Heavy Duty Steel Shelves are adjustable height at 1″ increments Commercial Grade Black Wire No Tools Required for Assembly Maximum Weight Capacity for entire Unit: 1320 lbs. Maximum Weight Capacity per shelf: 220 lbs. equally distributed Maximum Weight Capacity for entire Unit when using the casters (wheels) instead of leveling feet is 220 lbs. Dimensions: 48″L x 18″W x 82″H (With Wheels)