Comparing the Carb-Steel Oval Carabiner and the Procraft Steel Quicklink, it is clear they are both excellent anchor connectors. Extremely strong, durable and perfect for the job but each has its advantages and disadvantages.
The Quicklink is lighter than the steel carabiner by over 100g. A single highline setup consists of a minimum of 2, 4 point anchors. 800g (1.7lbs) of added weight for the Carabiners could make a significant weight difference if the approach is long or involved.
Both connectors are more than strong enough when used properly. The Steel Carabiner is rated, meeting regulatory requirements, for both open gate and cross-loaded situations – an added plus!
Both the Quicklink and the Steel Carabiner are easy to use as anchor connectors, but the steel carabiner provides much more flexibility and convenience for additional uses where the Quicklink would fall short. The potential for misuse when using the quicklink is much higher and could have potentially devastating consequences. I have personally observed quicklinks bent wide open when not properly closed, rigged on a moderate length, low tension line.
Price is always a factor that must be considered. The quicklink is only a fraction of the cost of the steel carabiner making them much more affordable.
Both Quicklink and Steel Carabiner and excellent anchor connectors and I would recommend either to anyone. I feel that the added benefits of the Carb-Steel Triple Auto-locking Carabiner far outweighs the added extra weight. Ease of use, error protection and versatility make the Steel Carabiner a far superior anchor connector – but at a cost. Quicklinks are a fraction of the price making them more affordable but have several drawbacks.
You will notice that the higher-end, more expensive SlacklifeBC Anchor kits include the Carb-Steel Carabiners. Higher end anchor kits include higher-end rope and connectors.
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