Designed for industrial applications, this 6-tier heavy steel rack supports a static total load of 6000 lbs (1000 lbs per shelf, 600 lbs with casters) with NSF certification for safety. It resists rust and oxidation for long service life, with 1-inch adjustable shelf heights and splittable two-unit layout. 4 leveling feet and 2 lockable casters maintain stability on uneven floors, and tool-free assembly takes 15 minutes with the included guide.Robust 6-tier shelving, this industrial heavy-duty rack is designed with six storage tiers and leveling feet, each shelf can hold up to 1000 lbs when weight is evenly distributed on leveling feet for a total static load of 6000 lbs, the whole unit bears a maximum of 600 lbs evenly distributed when fitted with casters, we recommend placing heavier items on the bottom layer for better stability.Unrivaled durability, crafted from heavy-duty steel, this wire shelving features excellent rust and oxidation resistance for stable quality and long service life, it adopts upgraded thicker shelf liners than ordinary models, and the entire 6-tier shelf has passed NSF certification for safe and reliable use, making it a perfect storage solution for homes and offices.Customizable design, each layer of this storage rack can be adjusted at 1-inch intervals, you can customize layer heights to match goods of different sizes and meet all your storage needs, split the top vertical support poles to divide one rack into two independent storage units for diversified usage.Effortless mobility, this 6-tier garage storage shelf is fitted with four leveling feet and four industrial casters including two lockable wheels, you can freely move and place it in supermarkets, garages, closets, kitchens, porches and pantries, height adjustable leveling feet keep the rack stable on uneven floors, and the anti-slip wheel design avoids leaving scratch marks on ground surfaces.Simple assembly, this shelving unit comes with complete detailed guides and requires no assembly tools, two people can finish the whole setup within 15 minutes, you may contact us through buyer message to get timely support if you receive incomplete parts or meet assembly troubles, the six transparent shelf liners are offered in various attractive hues to add vivid touches to your space, and their waterproof property keeps them intact against humid surroundings.If you have any questions, please text 401-341-9812 or email service@tatayosi,com, and we will reply promptly.