• 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