Eight-lobe knob
Black thermoplastic, glass fiber reinforced, mat.
Brass insert with tapped through hole.
Volantino a 8 lobi
Three-lobe knob
Brass insert with tapped blind hole.
Threaded zinc plated steel stud.
Stainless steel insert with tapped blind hole (AISI 303).
Threaded stainless steel stud (AISI 303).
Knurled knob
Brass insert, smooth blind hole and tapped grub screw.
Threaded stainless steel stud (AISI 304).