Herm Sprenger - ULTRA-PLUS Training Collar with Center-Plate and Assembly Chain - Short Version – Curogan

3mm wire gauge x 20in (50cm) length This ULTRA-PLUS Training prong collar is designed to offer even more precise correction, as well as pull limitation.  This unique prong collar features prongs of the same physical size as 2.25mm wire gauge but with the strength of a 3mm wire gauge. A classic prong-style dog collar for professional training purposes. Designed for use in dogs up to 88lbs. Please note: the starting length of this collar will fit dog's with a neck measurement up to 18". If your dog's neck size is larger than this, you will need to purchase additional middle links to adjust the size.