the DMM ultra o locksafe coloured carabiner is an oval, triple-action locking carabiner

the DMM ultra o is the perfect 'biner for rescue situation. At some point, all of us will need to use a pulley system, most likely in a rescue situation.

oval biners are important because they allow pulleys to sit in a correctly loaded and equalised position. The symmetrical shape also stops them shifting under load and potentially dislodging a marginal gear placement. The triple-action locking gate adds a final element of security to the system.

the DMM ultra o is also the perfect aid climbing biner. It performs remarkably well in the big wall environment – e.g. multiday ascents, where you might be sac hauling – and the I-Beam construction gives it an excellent strength-to-weight ratio.

key features

• oval shaped
• triple-action lock
• ideal for pulley systems and aid climbing
• strong and lightweight i-beam construction
• generous rope radius
• also available with Screwgate, Quicklock (double-action) locking systems
• also available in blue, green and red

specifications

• strength (gate closed): 25 kN
• strength (gate open): 7 kN
• strength (minor axis): 12 kN
• gate opening: 22 mm
• category number: A327
• weight: 73 g