Highlights: Adjustable height: Freely adjust the height between the layers. Separable: Each shelf is composed of 2 independent units. Simple assembly: The simple rivet lock connection, no nuts or bolts required. Floor protector: Non-slip and scratch-proof plastic protector, stability and protection. Surface protection: Comprehensive protection, not easy to rust. Good quality: Made of quality MDF, durable and harmless. Specifications: -Material: Steel and MDF board -Overall size: 91 x 46 x 153cm(L x W x H) -Max. weight capacity: 320kg -G.W.: 20kg -N.W.: 19.2kg Notes: 1. Please allow ±1cm error due to manual measurement. 2. For safety, the product can not bear the maximum weight on each layer at the same time, especially the highest two layers. Quick overview: This storage rack has 4 tiers and is composed of steel frames and durable MDF boards. Plus, the heights of the boards can be adjusted as you wish. No tools, nuts and bolts are required during assembly. Good quality and wide