About the Products: 1. Name: 3D Printer Consumables Storage Rack 2. Applicable tray specifications: 300mm diameter tray, 250mm diameter tray, 200mm diameter tray, 150mm diameter tray. 3. Features: * Strong applicability. For trays on the market, the applicable specifications of this consumables storage rack basically include the tray specifications on the market. * Convenient movement. This storage rack has four rollers. After unlocking the rollers, it can be easily pushed and moved. * Diverse assembly. Different structural installation combinations can be selected for different trays. * Applicable to 3D printer studios, printer farms, home storage, etc.