Uxcell 4-Pack Star Clamping Knobs, M8x55mm Male Thread Hand Tightening Screw Machine Handle Replacement [39mm, Black]

These star clamping knobs are good for various applications requiring quick adjustments, such as woodworking fixtures, machinery, equipment assembly, lathes, drill presses, sawing machines, packaging, printing equipment, electronics equipment, light fixtures, and patio umbrella brackets, etc. Constructed with zinc-plated carbon steel with deep and clear threaded studs for durability and wear resistance, these good plastic male thread clamping knobs provide a smooth surface and comfortable grip. This star hand knob with a thermoset plastic knob can securely connect the parts and is easy to install. 5-Point Head Star knobs offer ease of grip and turning by hand, providing leverage and comfort for effortless tightening or loosening. A great replacement for your broken machine handle. No tools are required to install and remove. Avoid over-tightening the knob to prevent potential damage or stripping of threads in the mating assembly.