A: Yes., you can adjust. Please pay attention to the loading weight is 1,750 lbs for whole unit when evenly distributed. Please don't overload the weight when you add shelves.
A: 2 units of 3 tier unit can't be assembled together.
A: This unit is without casters. We don't suggest to assemble caster on the unit if the unit needs to hold 5100 lbs. It will be dangerous.
A: This unit excludes plastic shelf mats.
|Name||3-Tier Steel Wire Shelving Unit in Black (24 in. W x 30 in. H x 14 in. D)||Black 5-Tier Steel Wire Garage Storage Shelving Unit (30 in. W x 60 in. H x 14 in. D)||5-Tier Plastic Garage Storage Shelving Unit in Gray (36 in. W x 72 in. H x 18 in. D)||5-Tier Plastic Garage Storage Shelving Unit in Gray (36 in. W x 72 in. H x 24 in. D)|
|Assembled Width (in.)||23.25 in||30 in||36 in||36 in|
|Assembled Depth (in.)||13.38 in||14 in||18 in||24 in|
|Number of Shelves||3 Tiers||5 Tiers||5 Tiers||5 Tiers|
|Assembled Height (in.)||30.00 in||60 in||72 in||72 in|
|Features||Adjustable||Adjustable||Adjustable, Handles||No Additional Features|
|THD SO SKU||423623||421770|
|View Product||View Product||View Product||View Product|