| Manufacturer | BOSSARD |
| Spacer | screwed spacer sleeve |
| Material | brass |
| Plating material | nickel |
| Features | with internal threaded hole on both ends |
| Symbol | Internal thread | Spacer length |
|---|---|---|
| [mm] | ||
| B2X14/BN3320 | M2 | 14 |
| B3X5/BN3320 | M3 | 5 |
| B3X6/BN3320 | M3 | 6 |
| B3X8/BN3320 | M3 | 8 |
| B3X10/BN3320 | M3 | 10 |
| B3X14/BN3320 | M3 | 14 |
| B3X16/BN3320 | M3 | 16 |
| B3X60/BN3320 | M3 | 60 |
| B4X6/BN3320 | M4 | 6 |
| B4X8/BN3320 | M4 | 8 |