Check the listing for details. USED-Sprenger Chrome Plated Steel Prong Dog Training Collar No-Pull with Swivel. Condition: Used. Listed at 22.00 USD. PRODUCT INFORMATION: Chrome Plated Steel Prong Collar: This pinch collar comes with the swivel ring.Removable Links: Slightly beveled prong tips; Interlocking links, each link equipped with two blunt prongs; Links can be added to make the collar longer or removed to make it shorter; Up to 4 links can be added or removedHow to Size: This dog collar should fit snuggly just below the dog's ears, measure the circumference of dog's neck and add 3 inchesMade in Germany: You can always expect highest quality collars which are made in Germany by Herm SprengerUltra-Plus Design: This collar has a center plate which positions links to apply even pressure to the dog’s neck -Size 16 inches (41 cm) by 2.25 mm wire gauge; Designed for dogs with neck size up to 13 inches-Size 3mm wire by 20" overall collar length. For dogs with the neck of up to 18".-Size: The collar is designed for dogs with the neck size Up To 19 inches (48 cm); Overall collar length is 23 inches (58 cm) by 3.2 mm wire gauge-Size: 25 inches by 4mm wire gauge. Designed for dogs with the neck circumference of Up To 21 inches