Push-pull knob
Black thermoplastic, glass fiber reinforced, mat.
Brass insert and tapped blind hole.
Clamping handle
Black thermoplastic, glass fiber reinforced, mat finishing.
Tapped blind hole.
Black rubber, 65/70 Shore A.
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Six-lobe knob
Brass insert with tapped blind hole.
Brass insert with tapped through hole.
Threaded zinc plated steel stud.
Stainless steel insert with tapped blind hole (AISI 303).
Stainless steel insert with tapped through hole (AISI 303).
Threaded stainless steel stud (AISI 303).
Eight-lobe knob