Six-lobe knob with steel zinc plated threaded end Glass-fibre reinforced plastic M8X40X3057092.080.030
Six-lobe knob with brass thread insert Glass-fibre reinforced plastic57090
Six-lobe knob with brass thread insert and through hole Glass-fibre reinforced plastic through hole57091
Disc knob with stainless steel A2 threaded rod Glass-fibre reinforced plastic M10XX503057012.100.030