Specification for Knob; Dia: 50mm; M8; 30mm; H: 32mm; technopolymer (PP); black
| Body material | technopolymer (PP) |
| Height | 32mm |
| Body colour | black |
| Diameter | 50mm |
| Thread length | 30mm |
| Cap colour | grey |
| Type of mounting element | knob |
| External thread | M8 |
| Plunger material | zinc plated steel |