Sai Components offers Four Winged Knob with Line Marked Cap. Sai Components supplies electronic instruments and hardware components. Four Winged knob with Line Marked Cap is provided with choice of color combination for body & cap. Four Winged knob with Line Marked Cap is available in all standard colors. The base diameter of this four winged knob is 22.8mm and its height is 20.6mm. The shaft diameter of this knob is 5.9mm / 6.1mm / 6.4mm. It is available in collet type.