[Metal Material]Caulking Tube and Caulking Tool Holder is made of carbon steel,sturdy structure [Size Information]Caulking Tool Storage Rack measures approx 17inch x 5inch x 3.5inch [Function]Wall Mounted Rack can hold 1 caulking tool,5 caulking tubes,and 6 caulking nozzles tips,keeping your caulking accessories neatly organized and within easy to reach [Easy to Install]This holder with predrilled mounting holes is easy to install and can be mounted on a tool shed,cart or wall,making it doesn't take up too much of your workspace [Application]Designed for multi use,this holder is widely applied to hold your caulking tool and accessories,great for professional workspace to home garages