Herm Sprenger Black Stainless Steel Collar 23 Inches With 3.2Mm Pinch/Prong Fits Up To 20 Inches Neck

Black Stainless Steel Prong Collar: 3.2mm x 23 inches overall collar length

Collar should fit snuggly just below the dog’s ears, This model is designed to fit dogs with neck sizes up to 19 inches

You can always expect highest quality collars which are made in Germany