Description:
Mushroom knobs with internal thread.

Material:
- Knob: Thermoset PF 31
- Bush: Brass, steel or stainless steel according to variant

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

Notes:
- K1286.104 has a brass bush.

Variant:
- Component material: Stainless Steel

Dimensions:
- D: M8
- D1: 33 mm
- D2: 18 mm
- H: 33 mm
- H1: 16 mm
- T: 12 mm