The superior quality workmanship of these Herm Sprenger Prong Collars provides an excellent training tool for getting the attention and obedience of more obstinate dogs. Prongs are slightly rounded to help prevent injury to dog. Collars are available in the different weights listed below. (Measure the circumference of your dog's neck and add 1-2" for proper fit.)

Specifications

	Small	2.25 MM, 14 INCH
	Medium	3.00 MM, 18 INCH
	Large	3.25 MM , 20 INCH