ULTRA-PLUS Training Collar with Center Plate, Assembly Chain, and Swivel Ring - Stainless Steel BlackIf you are unsure of which size wire gauge you should use for your dog, please visit our Canine FAQ page for more information 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 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 to 154lbs If your dog exceeds the starting

Very gentle on the horse’s mouth made of soft

it provides excellent strength and long-lasting use

Specifications: Thickness (14mm)

and 6 1/8"

Medium Chain Link

and 5 1/4"cm

Specifications: Thickness (16mm) and (18mm) Ring (70mm)

Featuring SPRENGER's trademark blue

This ULTRA-PLUS Training prong collar offers more flexibility between the dog collar and the leash due to the unique swivel design

This ULTRA-PLUS Training prong collar allows for training with or without restriction by choosing the respective ring to which you attach the leash

flexible even when cold

gentle on the corners of the mouth