Six-lobe knob with stainless steel A1 thread insert Glass-fibre reinforced plastic57011
Six-lobe knob with threaded end Glass-fibre reinforced plastic57012
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
Six-lobe knob with steel zinc plated threaded end Glass-fibre reinforced plastic57092