VEVOR Blueprint Storage Rack, Steel, Mobile Adjustable Blueprint Holder with 12 Pack of 30 Inch Aluminum Clamps, Wheels, Display Rack Storage Organizer Stand, for File Display Plan Poster Office HomeBuilt to LastFlexible Adjustable DesignHeavy-Duty CapacityEasy MobilityVersatile UseEasy Document StorageThis blueprint display rack allows you to organize important documents without punching holes or stapling. Keeps blueprints flat and intact while providing a more convenient solution than traditional staplers.Max Rack Load Capacity: 220 lbs / 1200 Sheets,Max Load Capacity Per Clamp: 20 lbs / 100 Sheets,Item Model Number: ZSJ2820,Quantity: 1 Set (with 12 x 30 in Clamps),Adjustable Width: 28.5-46.5 in / 724-1181 mm,Main Material: Q195 Alloy Steel (Rack), Aluminum (Clamps)