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I have always been very careful while handling climbing gear. Last year while returning from an expedition, I met a group that was returning from a tough-looking climb. They were selling off a few of their gear, which were pretty new. Most of the them were carabiners. Out of curiosity I asked them the reason and they replied that those equipment had fallen off a considerable height. I examined them only to find out a few minor looking scratches. They were in good shape.
The guy told me that they may have sustained micro-fractures.
Has anyone ever come across such an issue? Is there a way to scan and determine if the equipment is considerably damaged?

I have always been very careful while handling climbing gear. Last year while returning from an expedition, I met a group that was returning from a tough-looking climb. They were selling off a portion of their gear, which was pretty new. Most of the equipment was carabiners. Out of curiosity I asked them the reason, and they replied that those equipment had fallen off a considerable height.
I examined them only to find out a few minor looking scratches. They were in good shape. The guy told me that they *may* have sustained **micro-fractures.**
Has anyone ever come across such an issue? Is there a way to scan and determine if the equipment is considerably damaged?

gear safety rock-climbing