Features: 1. Each item comes with a distinct Manufacturing Part Number label on the internal packaging, ensuring it meets quality standards, which includes Part Number, Model Number, and inspection date information; 2. If you have any inquiries about the product, please provide us with the Manufacturing Part Number for verification, ensuring your satisfaction; 3. Suitable for various high-rise plugs, plug head plugs, table stools, sofa tables, etc.; 4. Features height adjustability, durability, and wear resistance; 5. Adjustable furniture caster square tube plug with M8 nut. Specifications: Material: Plastic Color: Black Thread Type: M8 Size: 3x3x3cm/1.18x1.18x1.18inch (LxWxH) Weight: 218g Package includes: 10 x furniture leg plug end M8 thread feet.