Sleep EZ Spring Hooks are available in four sizes and have many uses on the line. They are durable and zinc plated and connect traps and snares to disposable stake chain or cable, drowner slide cables, extensions, etc. They flip down to open easily like normal spring hooks, but have a screw lock like quick links.  The lengths of the four sizes are:
Small:  2"
Medium:  2 3/8"
Large:  2 3/4"
X-Large:  3 1/8"
 
To get prices first select the size of the hook you are looking for and then the quantity and the price will show.