● Use as a 5-tier rack connect 2 racks and divide into 2 independent racks ● Extendable and stackable storage shelf suits different various needs ● The storage rack can be stretched from 19.5" to 30" ● 5-tier storage shelf provides ample space for daily supplies ● 13-position adjustable shelves fit items of different sizes ● Foldable metal frame and slot design for easy assembly ● Sturdy metal frame is not easy to wobble or deform ● Reinforced back bracket for enhanced support ● Securely attach the rack to the wall for enhanced stability and safety ● 8 smooth rolling casters (4 lockable) for easy movement and sturdily stop ● Suitable for living room study kitchen and tool room etc