Description:
Mushroom knobs with internal thread.

Material:
- Knob: Thermoset PF 31
- Threaded component: Steel or stainless steel according to variant

Finish:
- Thermoset: Black, high-gloss polished
- Steel: Trivalent blue passivated
- Stainless steel: Bright

Variant:
- Threaded component material: Steel

Dimensions:
- D: M8
- D1: 33 mm
- D2: 18 mm
- H: 29 mm
- T: 12 mm