This is a sale for 12 1/4" sleep ez spring hooks. These are 2 3/8" long and spring like a regular snap hook, but have a screw style like the Quick link to tighten them up so they don't spring open. These are zinc plated metal and are perfect for connecting anything from your trapline of disposable stakes or chain, or from your backpack as well. These are widely used in a variety of different cases even for rock wall climbing. If you have any question please ask, we are happy to help.