Material:
- Handle: glass fiber reinforced polyamide
- Stem: from galvanized steel, threaded
Surface:
- matte
Color:
- black (RAL9011)
Custom order:
- different stem length
- stem made of different material
- knob in other RAL colors or special colors
![Butterfly knob with threaded stem - Technical drawing](/data/include/cms/rysunki-techniczne/6.0116/pokretlo-motylkowe-z-trzpieniem-gwintowanym-bk6.0116-rysunek-techniczny.jpg)
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