ISC Steel Oval Keylock
Reword this in a better way: The ISC Oval Keylock (KL311) combines the specifications of an Oval with that of a ‘D’ shape Karabiner. True Ovals are not capable of achieving high breaking loads, as their symmetrical shape shares the load between the spine and the gate of the Karabiner. The weakest part of any Karabiner is the gate and so wherever possible, designers will try to bias the load toward the spine of the Karabiner. This is why ‘D’ shape Karabiners (typically) give the highest breaking loads.
Petzl Oscillante
The Petzl Oscillante is a lightweight and compact emergency pulley designed for crevasse rescue, hauling systems, and alpine use. Swinging side plates allows for quick and easy installation onto the rope, while the recycled nylon sheave and aluminium side plates provide an excellent strength-to-weight ratio. Compact enough for emergency kits and glacier travel, it works with ropes from 6-11mm in diameter. Durable and efficient, it’s a practical choice for lightweight rescue and hauling setups.
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