VEVOR 3D Printer Filament Storage Rack, 4 Tier Heavy Duty Storage Shelf, Rolling Filament Spool Holders Racks with Wheels, Filaments Organzied for 3D Printing Station, Office, Workshop (Shelf Only)Product Features Minimalist Design This 3D printing storage rack offers 40 lbs per shelf, holding up to 40 spools! Maximize your workspace and keep it tidy ideal for efficient and organized workspaces Easy Mobility with Swivel Wheels Move this filament storage rack with ease! It holds up to 88 lbs and features swivel wheels, making it ideal for any space home, studio, or lab. Get flexibility and convenience for a more organized workspace Stable with