| Manufacturer | BOURNS |
| Accessories for potentiometer | precise knob |
| Kind of knob | with counting dial |
| Features | dial scale |
| Symbol | Shaft d. | Knob dim. | Dimensions | No. of mech. turns | Colour |
|---|---|---|---|---|---|
| [mm] | [mm] | ||||
| H-22-6A | 6.35 | Ø22.2x22 | Fig. 1. | 15 | chromium plated |
| H-46-6A | 6.35 | Ø46 | - | 20 | chromium plated |
| H-23-6A | 6.35 | Ø22.2x22 | - | 15 | metallic chromium |
| H-22-6A-B | 6.35 | Ø22.2x22 | - | 15 | black |
| H-516-6A | 6.35 | Ø22.8x25 | - | 15 | chromium plated |
| H-23-6M | 6 | Ø22.2x22 | - | 15 | metallic chromium |