• Set of 6 pieces of star knob nuts with M8 thread. • Handle outer diameter of 50 mm for simple and precise manual adjustment. • Made of high-quality bakelite and galvanized carbon steel. • Star-shaped design providing a comfortable and non-slip grip. • Material resistant to rust, corrosion, and wear for a long service life. • Clean internal threads that allow for firm installation without slipping. • Versatile applications in machinery, furniture, fitness equipment, and industrial environments. • Facilitates frequent manual assembly, disassembly, and adjustment without the need for additional tools.