We've drywall fitting tools include 4Pcs red made of ultra-durable aluminum alloy, it is designed to give maximum support to the mounting ceiling, with a higher degree of rigidity, making the installation process safer and easier. The drywall fitting tools dramatically increases the speed of installing gypsum boards and ceilings and supports fixing in place, making it easy for even a single person to do the job completely. Our drywall installation tools can securely install gypsum board in place, reducing physical exertion while increasing work efficiency and alleviating pain and discomfort when lifting heavy objects. Just fix the drywall tool on the installed board, then align the other piece with the angle of the tool, make sure the slabs are well aligned before scratching out the tool.It's simple and practical. This rugged drywall tool is not limited to installing sheetrock, but can also be used for ceiling installation, drywall installation, carpentry tools and more!