ULTRA-PLUS Training Collar with Center-Plate & Assembly Chain - Steel Chrome-PlatedThis ULTRA PLUS Training prong collar is a classic version for professional dog training. The base neck size for each wire gauge is as follows: 2. 25mm > fits up to a 13" neck measurement; designed for use in dogs up to 40lbs 3mm > fits up to a 18" neck measurement; designed for use in dogs up to 88lbs 3. 2mm > fits up to a 19" neck measurement; designed for use in dogs up to 88lbs 4mm > fits up to a 21" neck measurement; designed for use in dogs up

Ergonomic shape that allows an even distribution of pressure

While this whistle is barely audible to humans

no contact on the sensitive palate

Oval shape enlarges the contact surface on the tongue for a soft influence

you will want to choose at least a 16" size option for a comfortable fit

The lateral contact helps horses that tend to fall out under saddle or approaching an obstacle

ensuring safety on early morning or evening walks

Dry cleaning possible

break-resistant German Silver

our Stainless Steel Adjustable Chain Collar with SPRENGER Hook ensures optimal fit and durability

It is not suitable for off-leash use or during travel

It offers long-term comfort for the dog without pulling at the skin and fur