This "Napo" knob is in polyamid filled with microscopic glass beads, allowing for high-impact resistance and durability.
Standard color is black.
Fastening, insert is in brass, or zinc plated steel.
Optimum utilisation between -50 ° to 130 ° Celsius, Outstanding resistance to chemicals, oil as well as tough climatic conditions.

Knob "Napo" with internal thread
| L | M | B | H | F | D | A’ | Reference | |
Pack |
| 50 | M5 | 15 | 25 | 9 | 15 | 7,5 | 16271 | 10 | 10 pcs |
| 50 | M6 | 15 | 25 | 9 | 15 | 9 | 16272 | 10 | 10 pcs |
| 60 | M6 | 17 | 30 | 11 | 17 | 9 | 16273 | 16 | 10 pcs |
| 60 | M8 | 17 | 30 | 11 | 17 | 14 | 16274 | 14 | 10 pcs |
| 75 | M8 | 22 | 38 | 14 | 22 | 14 | 16275 | 36 | 10 pcs |
| 75 | M10 | 22 | 38 | 14 | 22 | 18 | 16276 | 44 | 10 pcs |