The CLEANSTAR KNOB MOD 1065/F M6 – 1pc is a reliable, ergonomic knob designed for secure manual tightening and adjustment in a variety of applications. Featuring a star-shaped grip and M6 thread, this knob provides superior control and durability for use in vacuum equipment, machinery, and tools. Built with tough, long-lasting materials, it’s the ideal OEM or replacement part for consistent performance and a secure hold.