This "Napo" knobis 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 steel stud
| L | M | B | H | F | D | A | Reference | Pack | |
| 50 | M5 | 15 | 25 | 9 | 15 | 16 | 16212 | 11 | 10 pcs |
| 50 | M5 | 15 | 25 | 9 | 15 | 20 | 16213 | 11 | 10 pcs |
| 50 | M6 | 15 | 25 | 9 | 15 | 16 | 16221 | 12 | 10 pcs |
| 50 | M6 | 15 | 25 | 9 | 15 | 20 | 16222 | 13 | 10 pcs |
| 60 | M6 | 17 | 30 | 11 | 17 | 16 | 16231 | 18 | 10 pcs |
| 60 | M6 | 17 | 30 | 11 | 17 | 20 | 16232 | 19 | 10 pcs |
| 60 | M8 | 17 | 30 | 11 | 17 | 20 | 16241 | 24 | 10 pcs |
| 60 | M8 | 17 | 30 | 11 | 17 | 30 | 16243 | 27 | 10 pcs |
| 75 | M8 | 22 | 38 | 14 | 22 | 20 | 16251 | 36 | 10 pcs |
| 75 | M8 | 22 | 38 | 14 | 22 | 30 | 16253 | 40 | 10 pcs |
| 75 | M10 | 22 | 38 | 14 | 22 | 20 | 16261 | 46 | 10 pcs |
| 75 | M10 | 22 | 38 | 14 | 22 | 30 | 16262 | 51 | 10 pcs |