Cylindrical revolving handle
Black phenolic plastic.
Threaded zinc plated steel revolving stud with key locking system.
Knurled cylindrical handle
Black thermoplastic, mat.
Smooth through hole.
Ball knob
Equatorial groove. Tapped blind hole.
Push-pull knob
Black thermoplastic, glass fiber reinforced, mat.
Brass insert and tapped blind hole.
Six-lobe knob
Brass insert with tapped blind hole. Filled knob.
Brass insert with tapped blind hole.
Brass insert with tapped through hole. Filled knob.
Brass insert with tapped through hole.
Threaded zinc plated steel stud. Filled knob.
Threaded zinc plated steel stud.