Enhance your dog's training with the Sparky Pet Co Universal Collars. Made in the United States, these 3/4" collars come with 2 holes and include a bundle of RFA 67 batteries and an RFA 529 kit. Whether you're looking to create an efficient electronic fence or improve your pup's obedience, these collars are the perfect addition to your dog supplies. Trust in the quality of Sparky Pet Co and take your dog's training to the next level.