The compact and sturdy 4-tier Tyre storage rack with tyres positioned on tread increases your storage efficiency while keeping your warehouse tidy. Easily locate and pick the right passenger car or SUV tyres or tyre/wheel assemblies without having to handle other tyres like with barrel stacked tyre setups. The 4-tier tyre storage rack being practically boltless, it is easy to assemble.*Also available in 3-tier & 5-tier.