Adjustable Designs: The blueprint holder is designed to accommodate people of all heights with its adjustable height (32.5" to 57") and length (27" to 47.25"). It supports 30", 36", 42" hanging clamps and holds a variety of file sizes. The base is equipped with 4 swivel casters to make transporting blueprints easier Stable Structure: Locking wheel design and excellent load-bearing capacity avoids tipping while supporting up to 240 LBS/1200 documents. Made of premium steel with powder coated surface, which has long-lasting durability and is not easy to crack or deform Adjustable Designs: The blueprint holder is designed to accommodate people of all heights with its adjustable height and length. It supports 30", 36", 42" hanging clamps and holds a variety of file sizes. The base is equipped with 4 swivel casters to make transporting blueprints easier Space Saving: The Blueprint Holder not only makes it easier to find the documents you need, but also facilitates you to systematically organize a large number of documents, bringing your cluttered workplace into order and providing you with a comfortable user experience 1 X Black Blueprint Rack with the necessary assembly accessories and manual. Installation hardware and blueprint clamps are not included. No installation is required, you just need to follow the included assembly instructions for simple assembly Adjustable Designs: The blueprint holder is designed to accommodate people of all heights with its adjustable height (32.5" to 57") and length (27" to 47.25"). It supports 30", 36", 42" hanging clamps and holds a variety of file sizes. The base is equipped with 4 swivel casters to make transporting blueprints easier Stable Structure: Locking wheel design and excellent load-bearing capacity avoids tipping while supporting up to 240 LBS/1200 documents. Made of premium steel with powder coated surface, which has long-lasting durability and is not easy to crack or deform Adjustable Designs: The blueprint holder is designed to accommodate people of all heights with its adjustable height and length. It supports 30", 36", 42" hanging clamps and holds a variety of file sizes. The base is equipped with 4 swivel casters to make transporting blueprints easier Space Saving: The Blueprint Holder not only makes it easier to find the documents you need, but also facilitates you to systematically organize a large number of documents, bringing your cluttered workplace into order and providing you with a comfortable user experience 1 X Black Blueprint Rack with the necessary assembly accessories and manual. Installation hardware and blueprint clamps are not included. No installation is required, you just need to follow the included assembly instructions for simple assembly