Description: 【Ceiling Support Set】: We've drywall fitting tools made of pp, it is designed to give maximum support to the mounting ceiling, with a higher degree of rigidity, making the installation process safer and easier 【Easy to Operate】: 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 【Higher Efficiency】: Our drywall installation tools can securely install gypsum board in place, reducing physical exertion while increasing work efficiency and discomfort when lifting heavy objects 【Easy to Install and Check】: 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 【Wide Applications】: This drywall tool is not limited to installing , but can also be used for ceiling installation, drywall installation, carpentry tools and more Specification: Material: PP  Size Chart: 14.9cmx7.9cmx2.1cm/5.87inchx3.11inchx0.83inch Package Includes: 1 Roof Plaster Positioning Fixing Board Note: Please allow slightly errors due to manual measurement and different monitors.