Description
The DMM Ultra O Locksafe A high-quality, auto-locking oval carabiner designed for multi-connection systems. Its symmetrical oval shape helps attachments (pulleys, slings, shackles) self-centre under load, making it ideal for tree work, rope-access, rescue, or pre-rigged systems. The triple-action LockSafe gate gives extra security, and a Taperlock nose prevents snagging.
Key Specifications:
| Specification | Value |
|---|---|
| Major Axis Strength (MBS) | 25 kN |
| Minor Axis Strength (MBS) | 12 kN |
| Gate Open Strength (MBS) | 7 kN |
| Gate Opening | ~19 mm |
| Dimensions | 63 mm × 109 mm |
| Weight | ~74 g |
| Material | Hot-forged aluminium (I-beam cross-section) |
| Gate Type | LockSafe (auto-locking, 3-step) |
| Nose Design | Taperlock clean nose — reduces snags. |
| Standards / Certification | EN 362:2004 B, EN 12275:2013 X/B, UIAA 121 |







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