918-5425, Elesa, Elesa 169913-C9 Black Hex Clamping Knob, M8, Threaded Stud, Brand Elesa, Thread M8, Thread Diameter 8mm, Thread Length 25mm, Knob Shape Hex, Mounting Type Threaded Stud Elesa 169913-C9 Black Hex Clamping Knob, M8, Threaded Stud