Five-lobe knob
Black phenolic plastic.
Threaded zinc plated steel stud.
Knurled knob
Black thermoplastic, glass fiber reinforced, mat.
Brass insert, smooth hole with threaded steel grub screw M4.
Six-lobe knob
Brass insert with smooth hole. Black thermoplastic base. Threaded steel grub screw M4, Allen head.
Zinc plated steel hub. Revolving handle on steel stud.
Handle
Blind hole and threaded steel grub screw M4, Allen head.
Smooth hole with threaded steel lateral grub screw, Allen head. Aluminum cover disk.
Control knob. Smooth hole and threaded steel lateral screw, Allen head. Aluminium cover disk.
Spoked Handwheel
Zinc plated steel outcropping hub.
Zinc plated steel outcropping hub. Revolving handle on steel stud.
Zinc plated steel outcropping hub. Fold-away revolving handle.
Zinc plated steel hub.
Black fiber reinforced phenolic plastic.