Basic Ringer hand tool, includes 2500 black galvanized hogrings 11/16.
Sleeves of rings feed into the tool all at once (similar to loading a stapler). 2500 rings is enough to attach 2 runs of tension wire of 100 feet of fencing at one ring every 6 inches, or 200 feet of fencing at one ring every 12 inches.
Also used to attach a rodent barrier and to make fence repairs.
This tool compresses black steel wire into a ring shape, attaching fence to fence or fence to tension cable for example.
For larger jobs, consider the Contractor ringer.