| Ring piece LK-1/8 9181 | Zinc die-cast | External thread BSPP (G) | 1/8 | | €8.01/piece |
| Ring piece LK-1/8-PK-6-KU 6281 | POM | External thread BSPP (G) | 1/8 | | €3.75/piece |
| Ring piece LK-1/4-PK-6 4479 | Zinc die-cast | External thread BSPP (G) | 1/4 | | €9.36/piece |
| Ring piece LK-1/4 9173 | Zinc die-cast | External thread BSPP (G) | 1/4 | | €9.42/piece |
| Ring piece LK-1/8-PK-3 4597 | Zinc die-cast | External thread BSPP (G) | 1/8 | | €7.92/piece |
| Ring piece LK-1/8-PK-6 4477 | Zinc die-cast | External thread BSPP (G) | 1/8 | | €7.92/piece |
| Ring piece LK-1/4-PK-4-KU 6282 | POM | External thread BSPP (G) | 1/4 | | €3.85/piece |
| Ring piece LK-3/8-PK-6 4480 | Zinc die-cast | External thread BSPP (G) | 3/8 | | €12.20/piece |
| Ring piece LK-1/8-PK-4 4476 | Zinc die-cast | External thread BSPP (G) | 1/8 | | €7.92/piece |
| Ring piece LK-1/4-PK-4 4478 | Zinc die-cast | External thread BSPP (G) | 1/4 | | €8.10/piece |
| Ring piece LK-1/8-PK-4-KU 6280 | POM | External thread BSPP (G) | 1/8 | | €3.75/piece |
| Ring piece LK-1/4-PK-6-KU 6283 | POM | External thread BSPP (G) | 1/4 | | €3.85/piece |
| Ring piece LK-M5-PK-3 4475 | Zinc die-cast | External thread (M) | M 5 | | €7.92/piece |
| Ring piece LK-3/8 9175 | Zinc die-cast | External thread BSPP (G) | 3/8 | | €12.20/piece |