Saiger Gear Chrome Plated Steel Dog Prong Collar Prong collar for dog is the ideal training solution Prong collar is chrome-plated for durability and feature removable blunt-cut rubber tips on smooth and rounded prongs to prevent injury These great training aids provide a heavy-duty yet safe alternative to standard choke chains Ruggedly constructed of electronically welded steel for added strength Measures 20-inch length,suit for large dog.You can remove and add back pongs from the collar as needed to fit your dog's neck.