These square nut tube plugs are designed to provide a secure and suitable fit for various applications. Featuring a threaded design, they can be easily inserted into square tubing to create a stable and reliable connection. The plugs are ideal for furniture legs, providing a neat and professional finish while protecting floors from scratches. Features -Color:Black -Material:Polypropylene, iron -Size:2.70X2.10X2.10cm/1.06X0.83X0.83in -Thread size: M8 -Square design: ideal for various square tube legs, ensuring quick and easy installation, saving time and effort -Easy installation: convenient to install, simply slip onto the iron tube without the need for any tools, making it a easy solution -M8 thread: designed with m8 threads for a secure and reliable fit, preventing loosening and ensuring stability -Easy fixing and removal: facilitates easy fixing and removal, making square tube legs more stable and less prone to loosening -Versatile application: suitable for use in furniture, machinery, electronic products, and more, addressing instability issues in various square tube legsPackage list: 4 x tube plugs