The star knob nut has a head made of PA6, with injected cap nut zinc plated, blind hole thread, with cap
Colour star knob: black
minimum quantity: 500 pcs.
Colour star knob: white, silvergrey
minimum quantity: 3.000 pcs.
standard colours cap: black, white, silvergrey, red
special colours, sizes and stainless steel thread upon request