[THREAD SIZE & STANDARD] These adjustable machine knobs feature precise M8 female threads (standard), ensuring compatibility with industrial equipment and CNC machines. The stainless steel construction prevents cross-threading and provides secure fastening. [KNOB STYLE & APPLICATION] Designed as clamping levers, these knobs excel in confined spaces where quick adjustments are needed. Perfect for milling machines, drill presses, and woodworking jigs where ratchet-style levers outperform standard knobs. [MATERIAL QUALITY] Constructed from premium stainless steel, these handles offer superior resistance and durability. The metal body withstands heavy industrial use while the threaded insert maintains grip integrity through repeated adjustments. [STUD LENGTH OPTIONS] Available in multiple thread projection lengths (50mm, 63mm, 95mm) to accommodate different material thicknesses. Each length provides optimal thread engagement for reliable clamping force without bottoming out. [ENVIRONMENTAL RESISTANCE] The stainless steel construction resists rust in humid environments, making these knobs suitable for workshops, food processing equipment, and outdoor machinery applications where moisture is present.